Answer: the answer is b
Final answer:
b) The Cooperative extension service advises community gardens about fresh fruits and vegetables, offering programs that support agricultural education and enhance food security.
Explanation:
The group that advises community gardens about fresh fruits and vegetables is the B. Cooperative extension service. Cooperative extension services play a crucial role in agricultural education and food security, providing expertise and guidance on growing practices, pest management, and nutrition. These services support local communities by increasing access to fresh produce, which is essential for maintaining a healthy diet.
Cooperative extension services offer numerous programs to assist community gardens. For example, volunteer efforts with Extension can involve vegetable and fruit gardening classes, educational booths at farmers markets, and collaboration with food pantries to improve the availability of fruits and vegetables. Furthermore, these services aid in the delivery of regionally grown farm produce to various community institutions, promoting the consumption of healthy foods.
what makes metals in particular good conductors of electricituly
Answer:
Metals are good conductors of electricity because of the ability of electrons to flow throughout the metal.
Explanation:
In metals, the outer electrons of the atoms belong to a 'cloud' of delocalised electrons. They are no longer firmly held by a specific atom, but instead they can move freely through the lattice of positive metal ions, these factors makes them a good conductor of electricity. Electric current is the flow of electrons in a wire. In metals, the outer electrons of the atoms belong to a 'cloud' of delocalised electrons. They are no longer firmly held by a specific atom, but instead they can move freely through the lattice of positive metal ions, these factors makes them a good conductor of electricity .
Answer:
Electron flow in the metals.
Explanation:
Metaks may e defined as the substances that has the ability to lose the electrons and gains a positive charge. The metals are lusturous, shiny and shows conductivity.
The conducrtivity of electricity occurs due to the movement of electrons in the metals. The electrons present inside the metal has the ability to move freely in its structure and hence conduct electricity.
A scientist is trying to determine how closely related a moth species is to four other moth species. He examined the DNA of each species and compared it to the study subject. He then created this table. Species # of genetic differences Species A 12 Species B 3 Species C 14 Species D 28 Which species is most closely related to the original moth species? species A species B species C species D
Species B is the most similar to the original moth due to its lack of differences in DNA. We know that 12, 14, and 28 are all greater than 3 (and represent the amount of genetic differences), which makes B the only one with a high quantity of similarities.
I hope I helped!
Species B is the most similar to the original moth species and is denoted as option B.
What is DNA?
This is known as deoxyribonucleic acid and contains the genetic components of an organism.
The lack of differences in DNA is what makes species B the only one with a high quantity of similarities.
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Which of the following is not a component of a normal experiment?
A. Validity group
B. Dependent variable
C. Independent variable
D. Control group
Answer:
B. Dependent variable
Explanation:
Answer:
A. Validity group
Explanation:
An experiment is a type of scientific research in which the researcher manipulates and controls one or more independent variables and observes the variation in the dependent variables concomitantly with the manipulation of the independent variables.
An experiment is composed of variables and groups. In the variables, you can mention:
The dependent variable is one that can be manipulated to get the result. The independent variable is that which has influence on another variable, determining or affecting the result observed in the second, with precision and regularity. It is usually manipulated by the researcher in his experiments in order to seek to establish their relation and influence on the result of an observed phenomenon.In a scientific experiment, besides the variables we can notice the presence of groups (two samples) that are compared to test a hypothesis: the control group (also called test group or testimony) and the experimental group.
list 4 characteristic of the life of that a flea, bacteria and elm tree
Answer:
Feeding, reproduction, respiration and excretion.
Characteristic features of Flea, Bacteria and Elm tree
Flea:
1. Flea is small and wingless insects.
2. It survives as parasite on the body of mammals and animals.
3. It acts as carriers of many disease.
4. It gets its nourishment from the blood.
Bacteria:
1. It is a single celled prokaryotic organism.
2. It is both harmful as well as beneficial to the other living organism.
3. It is a member of decomposer.
4. They are microscopic in appearance.
Elm tree:
1. It is a deciduous tree.
2. It is life span is approximately 300 years.
3. It is native to central Asia.
4. It act as source of food for various living organisms.
Juan received a class assignment to write about organisms that live in extreme environments. While doing research online, he found an image that showed microbial bodies thriving in hot springs. The organisms lacked a nucleus or defined organelles. Which organisms can he possibly find in such conditions?
A.
plant-like protists
B.
animal-like protists
C.
fungus-like protists
D.
archaea
Juan likely found archaea in the hot springs of Yellowstone National Park, specifically prokaryotes that are adapted to extreme environments such as highly saline, acidic, or hot conditions.
Juan came across organisms thriving in the hot springs of Yellowstone National Park, which are known for their extreme environments. These organisms he found lack a nucleus or defined organelles, indicating that they are prokaryotes. Among the types of prokaryotes, one group particularly adapted to such environments are the archaea.
Unlike bacteria, fungi, and viruses, archaea are well-known for living in extreme conditions such as highly saline, acidic, or hot environments, like the Morning Glory pool. These extremophiles often have unique adaptations that enable them to thrive where few other life forms can survive.
Ethylene, a plant hormone, promotes the ripening of fruit.
TRUE or FALSE
Answer:
Cytokinins promote cell division and are produced in growing areas of plants.
ethylene is a gas that is produced by ripening fruits.
the answer is TRUE
Which structure is the site of photosynthesis within a plant
Answer:
Chloroplasts
Explanation:
Chloroplasts are the double membrane-bound organelles that are mostly present in leaves of the plants. Chloroplasts have chlorophyll pigments in their thylakoid membranes and enzymes for the Calvin cycle in the stroma.
Presence of chlorophyll pigment allows the Chloroplasts to serves as a site for photosynthesis as these pigments trap the sunlight required for the process.
Photosynthesis primarily takes place in the chloroplasts within the mesophyll layer of leaves, where the pigment chlorophyll in thylakoid structures captures light energy. Gaseous exchange required for photosynthesis is regulated by stomata and guard cells on the leaf surface.
The site of photosynthesis within a plant is the chloroplast, which is primarily located in the mesophyll layer of leaves. These chloroplasts contain disc-shaped structures known as thylakoids, which are grouped into stacks called grana. The thylakoids house the green pigment chlorophyll, which is essential for capturing light energy during the process of photosynthesis. Other plant parts like stems can also be photosynthetic, but the bulk of photosynthesis tends to occur in the leaves due to their specialized structure that facilitates water and air movement.
Gaseous exchange, important for the photosynthetic process, occurs through the stomata (singular: stoma) found mainly on the underside of the leaf. Each stoma is accompanied by guard cells, which regulate the opening and closing to balance gas exchange and water loss. This regulation is crucial to maintain homeostasis within the plant while it carries out photosynthesis.
In 2014, the birthrate in Australia was 13 per 1000 people. In the same year,
the death rate in Australia was 7 per 1000 people. What was Australia's
approximate growth rate in 2014?
O
A. A decrease of 2 per 1000 people
O
B. An increase of 6 per 1000 people
O
c. A decrease of 20 per 1000 people
O
D. An increase of 91 per 1000 people
SUBMIT
Answer:
13 were born and 7 died.
The difference is: 13 - 7 = 6
The answer would be B. an increase of 6 per 1000 people.
Answer:
B. An increase of 6 per 1000 people
Explanation:
Birth rate of a population is the total live births that takes place per 1000 people in a population in a year. Death rate of a population is the total number of deaths that occur per 1000 people in a population.
A difference between the birth rate and death rate gives the growth rate of a population. Growth rate gives the number by which the population is increasing or decreasing. Here, the birthrate was 13 per 1000 people and death rate was 7 per 1000 people. So the net growth rate was an increase of 6 per 1000 people.
Identify the product of genetic engineering.
Hello. This question is incomplete. The full question is:
"Identify the product of genetic engineering. :
inserting a spider’s silk gene in a goat’s DNA to weave silk threads
choosing livestock for mating to pass on their genes for being large to offspring
intentionally pollinating two strawberry plants that produced sweet berries
fishing for large fish, leaving small fish to pass on their genes to offspring"
Answer:
inserting a spiders silk gene in a goats DNA to weave silk threads
Explanation:
Genetic engineering is the branch of science that manages to gather several techniques for the purpose of manipulating the genes of any organism from artificial experiments. This manipulation process causes such elements to be duplicated, transferred or even isolated from the original genes. With this, the objective is to produce beings with improved genetics to improve functions or even produce some substances that can bring benefits to man. An example of the use of genetic engineering occurs when a scientist wants to insert a spider's silk gene into a goat's DNA to weave silk threads
Genetic engineering involves altering an organism's genotype to achieve desirable traits, such as creating Roundup-ready soybeans and human insulin through genetic modification.
Genetic engineering involves the alteration of an organism's genotype using recombinant DNA technology to achieve desirable traits. One key product of genetic engineering is the creation of Roundup-ready soybeans, which are genetically modified to be resistant to the herbicide Roundup. Another important product is human insulin, which is biosynthesized by genetically engineered microorganisms.
A sample of a population should be large enough to:
A. justify the cost of the items needed for the simulation.
O
B. include more than half of the entire population.
O
C. span the full spectrum of a population's genetic variation,
O
D. generate a very large amount of data.
A sample of a population should be large enough to span the full spectrum of a population's genetic variation (Option C).
What is a sample?In science, a sample is a representative part of the population that is tested during the experimental procedure.
The sample in genetics should cover all variation in order to be completely representative of the population.In conclusion, a sample of a population should be large enough to span the full spectrum of a population's genetic variation (Option C).
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Look at the photo of the leaf. Which term best describes this leaf?
Answer:
D simple leaf
Explanation:
Search up pictures of each leaf, and you'll see patterns
A simple leaf best describes this leaf. thus option D is correct.
What is a leaf?The leaf is made up of a large blade (the lamina) that attaches it to the plant stem. Stipules are a pair of structures found on either side of the leaf base in plants that resemble scales, spines, glands, or leaflike structures.
The leaf is called simple when only one blade is put straight on the petiole. Simple leaf margins might be whole and smooth, or they can be in a variety of ways. Dentate margins have teeth that protrude at right angles, whereas serrate margins have teeth that point toward the top of the leaf.
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1.
If the sequence on a DNA molecule was CCTAG, the complementary sequence on the mRNA would be:
GGAUC
GGUTC
GGATC
UUATU
Answer:
GGAUC
Explanation:
C pairs with G
T pairs with A
A pairs with U
G pairs with C
CCTAG -> GGAUC
The diagram shows structures that represent different levels of organization in a human. What is the second smallest level of organization? 1.W 2.X 3. Y 4.Z
Answer:
The correct answer is option 4. Z
Explanation:
Given diagram representing a different level of organization where W showing organ which is the third smallest organization made up of different tissues.
X showing an excretory system that consists of several organs.
Y exhibits a cell that is the smallest organization in the human body.
Z is a tissue that is made up of cells joined collectively and the second smallest level of organization in the human body.
Thus, the correct answer is option 4. Z
Answer:
its Z
Explanation:
When is your respiratory rate likely to change
Answer:
Receptors in the brain detect low oxygen or high carbon dioxide and send signals to the body, which can change the breathing rate. ...
option C
brian made this table to organize his notes on changes of state
change of state energy change
melting gain
freezing lose
deposition gain
condensation lose
Answer:
B. Deposition Gain
Explanation:
A plant that loses too much water from its cells will eventually __________.
A.
become taller
B.
find water from another source
C.
make its own water
D.
wilt and die
Answer:
D. Wilt and die
Explanation:
A plant that loses to much 4 from its cells will eventually wilt and die.
This is because plants needed water to live and let photosynthesis take place.
Hello There!
A plant that loses too much water from its cells will eventually "WILT AND DIE"
A plant needs the water in its cells to survive. If this does not happen, the plant will slowly die.
What was Dr. Willem Johan Kolff’s first step in using the scientific process to invent the hemodialysis machine?
He built the machine and tried it with various patients, collecting data about its effectiveness.
When a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine.
He researched and collected data about numerous patients who exhibited symptoms of kidney failure.
He drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
Answer:
When a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine.
Explanation:
The scientific process always begins with a hypothesis. The whole process will be dedicated to testing the hypothesis, whether it validates or invalidates it. The next step is to do more research about it to find relevant literature or researches that will help the overall design of the process or investigation. Only then will they proceed to methods into how to conduct the investigation or how to start designing a prototype. After this, is data gathering through testing. When data is gathered, it would be analyzed then a conclusion will be drawn.
Here is your scenario in the correct order from start to end.
1. When a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine.
2. He researched and collected data about numerous patients who exhibited symptoms of kidney failure.
3. He drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
4. He built the machine and tried it with various patients, collecting data about its effectiveness.
Answer:
B.
Explanation:
Which is not a true statement about goals? Choose all that apply.
Accomplishment come from the completion of a goal.
Goals are measurable.
Goals are mostly for the purpose of learning
Accomplishing goals means you are mature.
Final answer:
Statements that goals are mostly for learning and that achieving them signifies maturity are not true. Goals have various purposes, and maturity is a complex trait. SMART goal setting is crucial for effectiveness.
Explanation:
The statements about goals that are not true are that 'Goals are mostly for the purpose of learning' and 'Accomplishing goals means you are mature.' While learning can be a byproduct of achieving goals, goals encompass a broad range of purposes including personal, financial, and professional ambitions. Additionally, the maturity of an individual is not solely determined by their ability to accomplish goals since many complex factors affect both goal attainment and maturity.
Setting SMART goals is important for clarity and effective goal attainment. These goals should be Specific, Measurable, Achievable, Relevant, and Time-bound. To make goals measurable, you should determine the criteria to track progress and establish how you'll know when the goal is accomplished. Moreover, breaking down your goals into feasible action steps with target dates can greatly increase your odds of success.
Societal views on adulthood milestones may differ, but completing goals within personal and professional domains remains key to individual development. However, the completion of certain milestones does not define adulthood or maturity in its entirety.
Final answer:
Not all goals are primarily for learning as they can also be for other purposes, and accomplishing goals is not necessarily a sign of maturity. Goals should be set using the S.M.A.R.T. framework to be measurable and attainable.
Explanation:
The statements about goals that are not true include: 'Goals are mostly for the purpose of learning' and 'Accomplishing goals means you are mature.'
Goals can indeed be for the purpose of learning, which are known as mastery goals, but they can also be for other purposes such as performance or career advancement. While mastery goals focus on acquiring knowledge and self-development, performance goals are often about demonstrating competence to others or achieving a certain grade or accolade. Furthermore, mastery goals are associated with a deeper engagement and sustained interest in the learning material.
Accomplishing goals does not necessarily equate to maturity. Completing a goal is an achievement, but maturity is a broader concept related to one's ability to handle complexities, understand different viewpoints, and demonstrate responsibility in multiple aspects of life.
Measurable goals are an important aspect of the goal-setting process. A goal should be specific and have criteria for measuring progress, which provides a clear indication of success once the objective is achieved. The S.M.A.R.T. framework is often used to define goals that are Specific, Measurable, Achievable, Realistic, and Time-targeted. This structure helps in planning and tracking the progress towards attaining the goal.
Because water has a high heat capacity, areas around lakes in the summer
tend to have a climate than areas farther away,
Answer:
comparatively cooler
Explanation:
The land areas and water bodies get heated during the summer due to the increasing amount of incoming solar radiation. The water bodies like oceans, seas, and rivers take more time to heat as they can reflect some amount of radiation back to the atmosphere and also it takes a lot of time to cool.
In the case of areas near a lake and away from the lake, the areas near the lake will be comparatively cooler than the areas that are away from the lake. It is because the water in the lake is quite less in comparison to the ocean bodies, so the water will be heated at a faster rate and it will reflect some amount of light also, thereby the places will be cold less warm.
But away from the lake, the areas will absorb more heat as it cannot reflect the solar radiation back into the atmosphere. So these places will be warmer.
Hence, the areas near the lake will be cooler than the areas away from the lake.
Match each medication with its description.
antiacids- acid in stomach
anticoagulants- reduces blood clots
antiemetics- prevent vomiting
Which of the following describes the importance of cyanobacteria to early Earth atmospheric formation?
A) cyanobacteria released oxygen into the air, creating a protective ozone layer
B) cyanobacteria released nitrogen into the air, creating a protective ozone layer
C) cyanobacteria absorbed excess oxygen from the air, creating proper amounts of atmospheric oxygen
D) cyanobacteria absorbed excess carbon dioxide from the air, creating a protective ozone layer
Answer:A
Explanation:
Technology can bring both good and bad things. Pesticides can make crops more resistant to insects (good) but can harm humans if they are used improperly (bad). Give examples of both the good and bad
Answer:
Good: Through technology, doctors can keep electronic health records for a very long time.
Bad: Due to the use of biotechnology, genetically modified organisms can escape into the wild therefore causing events that interrupt the balance of the ecosystem.
Good: Through biotechnology, farmers can use genetic modification to grow more crops at a less expensive rate.
Bad: Genetically modified crops can cause allergies to their consumers.
Final answer:
Pesticides in agriculture provide benefits like improved pest control and economic gains for farmers, but also present risks such as pesticide resistance and environmental damage. Biotechnology advances help reduce reliance on harmful chemicals, but careful management is needed to balance the benefits with potential health and ecological concerns.
Explanation:
Benefits and Risks of Pesticides
The use of pesticides in agriculture presents both positive and negative consequences. One significant benefit is improved pest control, where biotechnology, such as genetically engineered crops, can decrease the reliance on persistent chemicals that might harm the environment. For instance, insect-resistant cotton and herbicide-tolerant crops like soybeans simplify weed and pest management, enhancing agricultural efficiency while minimizing ecological damage.
However, the risks include the potential for pesticide resistance in pest species, a phenomenon driven by natural selection, which can lead to the requirement for more robust pesticides. Additionally, excessive use of chemical pesticides can perturb ecosystem balance by killing off beneficial species, leading to ecological issues and health risks for humans and wildlife through contamination of water sources and the broader environment.
There is also an economic perspective, as pesticides save farmers money by preventing crop losses, offering a significant return on investment. Nevertheless, the overuse and subsequent resistance can result in increased production costs and environmental harm. Therefore, while pesticides can bolster food security and reduce production costs, their impact must be carefully managed to avoid adverse effects on health and the environment.
Root vegetables, such as carrots, are classified as what type of root system? A. Dermal Root System B. Nutritious root system C. Taproot system D. Fibrous root system
Answer:
C. Tap root system
Explanation:
The taproot is the primary root that is derived from the radicle directly. This primary root has many lateral roots originating from it. Root vegetables such as carrots are classified as tap roots.
These root vegetables are fleshy in nature. The taproot of carrot is modified to store the food. Storage of food makes the tap roots of these vegetable swollen in appearance. Another example of root vegetable is turnip which is also a taproot.
Answer:
Tap root
Explanation:
Penn foster
Genetic diversity is the variation in the genes of an entire species. Each circle represents a population of a particular species in different habitats. Select the population with maximum genetic diversity
Answer:
The second image from left side
Explanation:
Genetic diversity refers to the various genes and their respective alleles present in all the populations of a species. In the given image, the second image from the left side has one yellow, two blue, one red and one green dot. So, it has a total of four types of genes (yellow, red, green and blue) as indicated by dots. Since this circle has the maximum number of different types of dots, it represents the population of the species with maximum genetic diversity.
Answer:
The answer would be the second one
Explanation:
It has a bigger diversity
what type of insects invade a decaying body
Answer:
Blowfly
Explanation:
what do theories hypothesis about the conditions of Earth's early atmosphere?
Answer:
The primitive earth has reducing atmosphere with little or no oxygen.
Explanation:
According to several theories, the early atmosphere of the earth was reducing in nature. It had little or no oxygen and was rich in carbon dioxide gas. The atmosphere of primitive earth had water in the form of water vapor. It also had gases like ammonia and methane. Oxygen was added to the atmosphere of earth by first oxygenic photosynthesizing organisms (cyanobacteria) later.
During a natural disaster, part of a plant was damaged. If the plant can no longer grow, and produce new root cells, which part of the plant likely suffered damage?
Final answer:
Damage to the plant's meristems, specifically the roots, is likely the cause of its inability to grow and produce new root cells. The roots are key for absorbing water and nutrients, and when they are damaged, the plant may not be able to survive due to restricted resource uptake.
Explanation:
When a plant can no longer grow or produce new root cells, it is likely that the meristems, particularly the root meristems or root apical meristems, suffered damage during the natural disaster. Meristems are regions in the plant where cells are capable of dividing and differentiating into various types of plant cells. If root meristems are damaged, the plant cannot produce new root tissue, which affects its ability to absorb water and nutrients from the soil. This can lead to the entire or major portion of the plant dying because the roots are essential for plant survival, anchoring the plant in the soil and facilitating the uptake of vital resources.
Generally, damage to the roots can come from various factors such as extreme temperatures, physical trauma, or chemical exposure. Cold damage to the root system, for example, can blacken or spongify roots and prevent new growth, which becomes evident by restricted water and nutrient uptake, leading to symptoms such as defoliation or small leaf size.
Question 2 of 10
What is the difference between science and pseudoscience?
A. Scientific claims are based, while pseudoscientific claims are
unbiased
B. Science is done only in a laboratory, while pseudoscience is done
in the field
C. Scientific dalms can be tested, while pseudoscientific claims
cannot be easily tested,
D, Pseudoscience is based on observation, while science is based on
empirical evidence
Answer: Pseudoscience such as astrology are almost untestable and have no basis in science. Science must follow the scientific method.
step one- Construct a Hypothesis
step two- test that hypothesis
step three- analyze your findings and draw a conclusion.
step four- communicate your findings
So the correct answer C.
Hope this helps!
What provides instructions to cells in forming an organ?
O A. DNA
B. Globular proteins
O
C. Differentials
O
D. Stem cells
Answer: DNA source apex
Explanation:
DNA
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Which steps below will ensure laboratory safety
during the investigation? Check all that apply.
plugging in the electrical cord with dry hands
recording observations in the data sheets
checking the glass slides and cover slips for chips prior to making a wet mount
switching to high power after focusing under
low power
carrying the microscope with both hands
A. Plugging in the electrical cord with dry hands
C. Checking the glass slides and cover slips for chips prior to making a wet mount
D. Switching to high power after focusing under low power
E. Carrying the microscope with both hands
A. Plugging in the electrical cord with dry hands to avoid electric shock.
What is lab safety?
A laboratory poses potential risks due to exposure to corrosive and toxic materials, flammable solvents, high pressure gases, explosive chemicals and dangerous microbes. A little care and adherence to prescribed safety guidelines will help avoid laboratory mishaps.
C. Checking the glass slides and cover slips for chips prior to making a wet mount to view clear structures.
D. Switching to high power after focusing under low power in the microscope for better reading.
E. Carrying the microscope with both hands which avoid breakage.
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