The day on the Moon for any future settlers will last roughly around 29.5 days.
Explanation:
The Moon, as all the space objects that are not bright themselves, have day and night. Every space body though has its own specific duration of the day, and that depends on the speed of rotation around its axis, as well as the position of the other space bodies and do they interfere in any manner. In the case of the Moon, it rotates around its own axis, but also around the Earth, and together with the Earth around the Sun.
One Moon day, if we take its rotation around its axis, lasts 27.3 Earth days. The rotation around the Sun though, and the interference of the Earth actually prolong the day on the Moon, and it is 29.5 Earth days. This mean that any future settlers on the Moon will have a day lasting almost as a whole month on Earth, and that can prove to be a big problem, as such drastic difference can cause lot of psychological and physical problems at organisms evolved for a totally different patterns of day and night.
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What is the impact of exposure to violence on development during middle childhood? How can exposure to violence play a role in bullying? Have you been a victim of bullying or a bully yourself? What is the best way to combat bullying?
Answer:
The exposure of a child with violence have been seen to have a number of negative influences on the child. One of these negative influences is the influence in the adaptability of the child and his academic success. Children who encounter violence are mainly subjected to low academic performance and have difficulty in adapting to schools. The exposure to violence disturbs the cognitive functioning of the child.
Children who are often depressed encounter more bullying from other people. The best way to combat bullying is to ask assistance from a higher authority such as a teacher.
Cleavage is chick is called discoidal type,why?
Answer; Explanation:
In chicks, the pattern of cleavage is oftentimes referred to as the discoidal because it is entirely associated with the circular disc found in the blastodisc- the cytoplasm. So when during cleavage process, the cells that arise are known as blastomeres which then collectively form the blastoderm.
What three parts of the scientific name of a plant do you need to know and understand as an agriscientist? Why?
Answer:
Scientific name of a plant is represented by the : Name of the Genus, Name of the Species and Name of the sub-species.
Explanation:
Classification of living organisms is done in order to distinguish and separate the contrasting organisms and to club the related organisms near each other. This is done to ease out the study of the diverse living organisms.Genus - It is the hierarchical taxonomic classification of living organisms which is positioned below the Family but above the Species.Species - It is the hierarchical taxonomic classification of living organisms which is positioned below the Genus and above the Sub-species. The individuals belonging to a particular species can interbreed among themselves.Sub-species - It can be defined as the different populations of the same species which may occupy isolated and unrelated habitats and may vary in different characters.Taking the example of pea plant,Name of the Genus - Pisum.Name of the species - sativum.Name of sub-species - sativum (garden pea), elatius (wild pea).Which type of mutation is responsible for small changes in a trait
Substituion mutation is responsible for small changes in a trait.
Explanation:
This kind of mutation merely changes the type of nucleotide in the DNA sequence. The mutation does not cause a frameshift as would a deletion of addition mutation.
A substitution mutation would at worst change an amino acid in the translated protein. This would likely have a slight effect on how the protein folds into an active protein. On the other hand, mutations that cause frameshifts have the biggest effect on the proteins. They change all the amino acids of a protein downstream of the point of mutation.
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What equipment should they use to MOST efficiently test the pH of the water and record this data? A) litmus paper and a notebook B) pH probe hooked up to a computer C) pH paper and an excel spreadsheet D) pH probe and a graphing calculator
B) pH probe hooked up to a computer
Answer:
C. pH paper and an excel spreadsheet.
Explanation:
The reason for this is that the pH paper will change colors when it is put in water, and the spreadsheet is great for taking data notes.
What does natural resource management aim at?
Natural resource management aims at _________ management of resources.
Answer:
The correct answer is : Sustainable
Explanation:
Natural resources available on earth are the only source of energy to all living beings.They are of two types, Renewable and Non-renewable.Renewable resources are those that are present in ample amount and can regenerate themselves very quickly and hence do not get exhausted. Eg: Sun, Wind, etc.Non-Renewable resources are those that require a lot of time for their formation and if utilised at a rate which is much higher than its formation rate, can result in its exhaustion. Eg: Fossil fuels, Fresh water from glaciers.Natural Resources need to be utilised economically or in a sustained manner by the present generation to give the nature ample time to regenerate them and to ensure that some resources are retained for the future generations.Answer:
Integrated
Explanation:
why do many animals in temperature countries grow thick coats before winter?
Answer: To help retain warmth throughout the winter, they also grow thicker, shaggier coats, which they shed in the spring when the weather becomes warm again.
Explanation: They want to stay warm.
Hope this helped
:D
What is skin cancer and how does it occur?
Answer:
Skin cancer refers to the abnormal activity of skin cells associated with carcinogenesis
Explanation:
This disease is associated with the DNA damage (mutations) often caused by the irrational exposition to UV sun rays that trigger DNA mutations capable of both inactivating tumor suppresor genes and activating oncogenes
Answer:
Skin cancer is the uncontrolled growth of skin cells.
Explanation:
They grow and divide without stopping, and they can spread to other places in your body.
Skin cancer is frequently caused by exposure to ultraviolet rays from the sun or from tanning beds.
The UV light can cause mutations in your skin’s DNA so it can’t control skin cell growth. The result is often skin cancer.
Why does ethanol becomes cloudy/white when testing fat
Answer:
Ethanol is known as a fat solvent, and the cloudy or white color that it acquires when testing fat is due to the fact that this test includes the addition of water, forming an emulsion.
Explanation:
The emulsion test for fats is a test used to show the presence of these in some substances or foods.
Under normal conditions, fats are miscible - they can be dissolved - in ethanol, an alcohol, but not in water.
This test consists of dissolving the substance to be tested in ethanol, and then adding water. The principle by which the emulsion test is governed is that ethanol allows a certain amount of fat to dissolve in water, forming a cloudy or whitish emulsion.
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Final answer:
Ethanol causes fats to form tiny droplets and become insoluble, resulting in a cloudy appearance due to the formation of an emulsion, which demonstrates the principle that like dissolves like.
Explanation:
The cloudiness or white appearance that occurs when ethanol is used in testing for fats is due to a physical process called emulsification. When ethanol is added to a solution that contains fats, such as in a food testing scenario, the fats can precipitate or separate from the solution because ethanol is less polar than water. Fats are nonpolar molecules, and when a polar solvent like water is mixed with a less polar solvent like ethanol, the nonpolar fats become insoluble and form tiny droplets, leading to a cloudy appearance. This is a demonstration of the principle that like dissolves like: polar solvents dissolve polar substances, and nonpolar solvents dissolve nonpolar substances. When nonpolar fats come into contact with ethanol, which does not dissolve them as well as water, they form an emulsion, which is a mixture of tiny droplets dispersed throughout the solvent.
This effect can also be observed in other scenarios. For example, when bile salts aid in the digestion of fats by breaking them down into smaller droplets, this increases the surface area for the enzyme lipase to work efficiently, which is essential for proper fat digestion inside the body.
Complete the sentence: Ecosystem distribution
is related to altitude; regions at high elevations
are cold and therefore
Answer:
Hypotheses may vary. Most students will probably state that ecosystems at
high altitudes will support little vegetation.
Explanation:
Ecosystem distribution is different at different places. Regions at high elevations might usually have low varieties of plants and animals but it cannot be true for every ecosystem located as higher altitudes.
Some communities might be well adapted to live in the cold and hence progress rapidly.
Ecosystem distribution varies with altitude. High-altitude regions are cold and therefore have species adapted to such conditions, like pine trees and snow leopards. In contrast, low-altitude regions offer a more temperate climate, thus hosting a wider diversity of species.
Explanation:Ecosystem distribution is related to altitude. Regions at high elevations are cold and therefore, host different types of flora and fauna than those at low elevations. Whether it's the extreme conditions of a mountaintop or the lush, verdant growth at sea level, the ecosystem distribution varies significantly with altitude.
Plants that can survive freezing temperatures, snow, and high winds, such as pine trees and snow leopards, thrive in high-altitude areas. Similarly, animal adapt differently to high altitudes. For instance, snow leopards have thick fur and long tails for insulation against the cold, and yaks have large lungs to accommodate the thin air. In contrast, the low-altitude ecosystems feature a broader diversity of species, as they offer a more temperate climate.
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Which is a policy designed to reduce water contamination
Answer:
Treatment of industrial effluents through the extraction of pollutants before discharge to the rivers
Explanation:
Water contamination is the addition of undesirable materials into rivers, lakes and other bodies of water. Polluted water is unclean and unsafe to use therefore policies are designed to reduce water contamination that possesses risk to human health.
Why do scientists arrange the organisms on the tree below with some organisms closer than others?
Answer:
A phylogenetic tree can be described as a diagram which is used to depict the evolutionary histories among organisms and to relate which organisms might have a more common ancestor in the past.
Scientists arrange the organisms on the tree with some organisms closer to one another because these organisms have a more common ancestor in the near past as compared to the other organisms mentioned in the phylogenetic tree.
Answer:
Explanation:
well.... wheres the answer
Plants were grown in two different conditions. The plants on the left were grown with all essential nutrients required for plant development. The plants on the right were grown in a nitrogen-deficient medium. What best differentiates the abilities of the plants on the left and the right to synthesize molecules?
The main difference between the plants grown in different conditions lies in their ability to synthesize molecules, such as chlorophyll and proteins. Nitrogen, a crucial macronutrient, plays a key role in these processes. The deficiency of nitrogen can hinder plant growth, but some plants can adapt by forming symbiotic relationships with nitrogen-fixing bacteria.
Explanation:
The pivotal difference between the plants grown with all essential nutrients and those grown in a nitrogen-deficient medium is their ability to synthesize molecules essential for growth and development. Nitrogen is a key macronutrient involved in the formation of amino acids, proteins, and nucleic acids in plants. Its deficiency can significantly hamper a plant's growth.
For instance, the plants receiving ample nutrients would be able to synthesize chlorophyll effectively thanks to the availability of elements like nitrogen. On the other hand, nitrogen-deficient plants may face stunted growth and display symptoms like yellowing of leaves (chlorosis) due to reduced chlorophyll synthesis. This inability to synthesize essential molecules as a result of nitrogen deficiency hinders the overall development and growth of the plant.
However, plants have a unique ability to adapt to nitrogen-limiting conditions. Many plants form symbiotic relationships with nitrogen-fixing bacteria, such as agrobacterium, which can convert atmospheric nitrogen into a form usable by plants, thereby indirectly aiding in molecule synthesis despite the limited nitrogen supply in the medium.
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Which physical property is best measured using only a balance?
O
A. Density
O B. Volume
O C. Mass
O D. Color
SUBMI
Answer:
Which physical property is best measured using only a balance?
C. Mass
Answer:
Explanation:
Mass. Took test.
the production of haploid(N) gametes is the main purpose of __________.
Answer: Meiosis
Explanation: There two types of cell division: Meiosis and mitosis. Meiosis occurs in sex cells otherwise called gametes. In meiosis, a single cell divides two times to produce four daughter cells with haploid number of chromosomes i.e., half the number of chromosomes in the parent cell.
All of the following actions can be taken to positively impact the ocean and earth except:
Answer:
A. Burning fossil fuels
C. establishing state parks
E. using renewable energy sources
Explanation:
The action that does not have a positive impact is burning fossil fuels, establishing state parks, and using renewable energy sources.
Impact of actions other than ocean & earth:The ocean refers to the continuous body of salt water that covers more than 70 percent of the Earth's surface. The burning of fossil fuels should not be done. The state parks should not be established. Also, the energy sources i.e. renewable should not be used. Due to the above information, it does not have a positive impact.
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Which of the following composers considered himself outside the bounds of
the patronage system?
O
A. Lully
O
B. Monteverdi
C. Beethoven
O
D. Telemann
SUBMIT
"Beethoven" composer considered himself outside the bounds of the patronage system.
Answer: Option C
Explanation:
A German composer "Ludwig van Beethoven" excluded himself from patronage system as no heirs stepped forward to maintain the patronage, and even after 1815, Beethoven depended mostly on the auction of compositional assets and a small pension.
Although Beethoven before, received revenue from the publishing of his creations and from live concerts, he also relied on the patronage of income patrons, for whom he gave personal appearances and versions of the works they commissioned for an exclusive period leading up to publication.
Answer:
C
Explanation:
what is the phenotypic ratio that results from a dihybrid cross between two organisms and that are heterozygous for both traits
Answer:
The phenotype ratio predicted for dihybrid cross is 9:3:3:1.
Explanation:
A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance *. This means that both parents have recessive alleles, but exhibit the dominant phenotype. (Sorry if i Misspelled some words)
Final answer:
The phenotypic ratio from a dihybrid cross between two heterozygous organisms is typically 9:3:3:1, calculated using a Punnett square. This ratio applies when traits are independently assorted and show complete dominance. Deviations can occur with different interactions such as epistasis.
Explanation:
The phenotypic ratio that results from a dihybrid cross between two organisms that are heterozygous for both traits is typically 9:3:3:1. This ratio emerges from crossing individuals with the genotype AaBb x AaBb, where 'A' and 'a' represent the alleles of one gene, and 'B' and 'b' represent the alleles of a second gene. Both traits are independently assorted and show complete dominance.
To calculate the ratio, you would use a Punnett square to predict the genotype of their offspring. The resulting phenotypic ratio is:
9 showing both dominant traits (A-B-)3 showing the first dominant trait and second recessive trait (A-bb)3 showing the first recessive trait and second dominant trait (aaB-)1 showing both recessive traits (aabb)If there are deviations due to different assumptions about the phenotype of allele 'b' or other gene interactions, such as epistasis, the phenotypic ratio could be modified to 9:3:4, 12:3:1, 9:7, or 15:1.
differences between mono di and polysaccharides
Answer: monosaccharides are simple sugars made up of only a single sugar molecule. Disaccharides are sugars made up of two sugar molecules linked together by a glycosidic bond while polysaccharides are complex sugars made up of many sugar molecules linked together by glycosidic bonds.
Explanation: Examples of monosaccharides are glucose, fructose, and galactose, while examples of disaccharide sugars include maltose, lactose and sucrose. Examples of polysaccharides include glycogen
and starch.
Electron microscopes use
____ in order to
allow for higher magnification and more detail when viewing specimens.
Electron microscopes use _beam of electrons___ in order to allow for higher magnification and more detail when viewing specimens.
Explanation:
A beam of electrons has a shorter wavelength than normal light used in light microscopes, by approximately a factor of X 100000. Therefore, electrons microscope have the inherent attribute of having a very high resolution. They have been used to discover very small organelles in cells such as the ribosomes and mitochondria that cannot be clearly viewed even with the highest resolution in light microscopes.
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Carbonhydrates are an important of ____ compound.
Answer:
Carbohydrates are the most common type of organic compound
Explanation:
At the beginning of 2000 the population of the United States was 282 million people. At the beginning 2010 the population of the United States was 309 million people. Over that time period what was the average change in population per year?
Answer: A). 2.7 million people per year
Explanation:
From 2000 to 2010 is 10 years. Change in population in 10 years = population at the beginning of 2010 minus the population at the beginning of 2000. This is:
309 million -282 million = 27 million.
Therefore average change in population person year = 27 million/10 = 2.7 million per year
Serious brain injury may be caused to an infant by:
Group of answer choices
Not talking to the infant
Lack of visual stimulation
Tossing the infant in the air and catching it
Lack of intellectual stimulation
Answer:
its is either b or d
Explanation:
B or D
A chromosome has 13% G. What percentage of
A, C, and T does this DNA molecule have?
Answer:
a 37%
c 13%
t 37%
Explanation:
c and g go together so a must have the same as g (13%)
a and t go together so they must have equal amounts
100%-13%-13%=how much is left=74%
split this evenly between a and t
74/2=37
What are the two main sources of energy in the water cycle?
Question 1 options:
gravitational energy and thermal energy
gravitational energy and mechanical energy
hydro energy and gravitational energy
kinetic energy and thermal energy
Answer:
hydro energy and gravitational energy
Explanation:
Identify the element that humans need to breathe.
Answer:
top right
Explanation:
i took it
What symptom would you expect a patient whose large intestine is not
functioning properly to show?
A. Dehydration
B. Extreme hunger
C. Vomiting
D. Constipation
Final answer:
A patient with a malfunctioning large intestine is most likely to show symptoms of dehydration due to the inability of the intestine to properly reabsorb water, leading to chronic, watery diarrhea.
Explanation:
Symptoms of Improper Large Intestine Function
When a patient's large intestine is not functioning correctly, one major symptom they may exhibit is dehydration. The large intestine is primarily responsible for water reabsorption. If it is not working properly, the body may not reabsorb enough water, leading to frequent, watery diarrhea, which can further aggravate dehydration. This is in contrast to constipation, which occurs when too much water is reabsorbed, causing the feces to harden. While vomiting can cause dehydration, it is not primarily associated with large intestine dysfunction, and extreme hunger is not typically a direct symptom of large intestine issues. Therefore, the expected symptom for a patient with a malfunctioning large intestine is A. Dehydration.
The correct symptom that one would expect a patient whose large intestine is not functioning properly to show is:
D. Constipation
The large intestine plays a crucial role in the digestive system, primarily responsible for absorbing water from the remaining indigestible food matter and forming stool. When the large intestine is not functioning properly, it can lead to a variety of symptoms, the most common of which is constipation. Constipation occurs when the colon absorbs too much water, or if the muscle contractions in the colon are slow or sluggish, making the stool hard and difficult to pass.
Let's consider the other options:
A. Dehydration - While dehydration can be a symptom of various conditions, it is not directly related to the large intestine's function in forming stool. Dehydration might occur if there is excessive fluid loss due to diarrhea, which is a symptom of a different kind of malfunction in the gastrointestinal tract.
B. Extreme hunger - This is not typically associated with the function of the large intestine. Extreme hunger is more likely to be related to disorders of the stomach, pancreas, or hormonal imbalances affecting hunger signals.
C. Vomiting - Vomiting is usually a sign of problems in the upper gastrointestinal tract, such as the stomach or small intestine, or it can be a result of central nervous system disorders. It is not a primary symptom of large intestine dysfunction.
Therefore, the most appropriate answer to the question is D. Constipation, as it is the symptom most directly associated with a malfunctioning large intestine.
6. Risk assessment depends on
A medicine
B climate
C scientific research
D political stability
Answer: A
Explanation:
What would happen if diploid organisms reproduce by sexual reproduction without first producing sex cells through meiosis?
If no meiosis takes place chromosome number will be doubled disturbing the genetic make up of the organism.
Explanation:
If no meiosis takes place then the resulting zygote will be of double the number of chromosomes. The genetic makeup will change entirely. The process of meiosis halves the number of chromosomes in haploid cell and maintain the serenity of organism.
The process of meiosis due to crossing over, genetic variation occurs which let the offspring receive favourable alleles to survive in new conditions.
In diploid organisms first the gametes are formed, then fertilization occurs and the diploid cell is formed which gives rise to the organism having diploid cells.
Which of the following must be met for a scientifically valid sample? Subjects are selected:
Check ALL that apply
A. To represent the population
B. Based only on who volunteers
C. From the most conveniently available people
D. At random
Answer:
The correct answer is: A. and D.
Explanation:
In order to scientifically validate a sample, it is necessary that,The entire population under study should be considered to obtain an average or a mean data. If only a part of the population is considered then the result obtained would be a biased one. A biased data will not represent the entire population and so it would be incorrect.The sample choice done must be at random covering all the areas of the population to get the accurate result. This is because random selection lowers the possibility of getting biased.
A scientifically valid sample must be representative of the population, not based on who volunteers or conveniently available people, and should be selected at random. The correct option is A and D.
Explanation:To ensure a scientifically valid sample, subjects should be selected to represent the population, meaning they are a true reflection of the entire population. Selecting subjects based only on who volunteers or from the most conveniently available people may introduce bias into the sample. The best practice for selecting a scientifically valid sample is to choose subjects at random, which means every member of the population has an equal chance of being selected.
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