Answer:
C
Explanation:
we know non renewable resources once used up can't be replenished, the question of can it be used sustainably certainly does not present a good picture of its use. It is certainly more difficult to replace such resources.
D. Yes, as long as use doesn't exceed availability.
Nonrenewable resources, such as fossil fuels (coal, oil, natural gas) and minerals (like metals), are finite in nature and cannot be replenished over short timescales. However, they can be used sustainably if their extraction and consumption rate do not exceed their natural rate of formation or replenishment over geological timeframes.
Option D is the correct statement because it highlights the possibility of using nonrenewable resources sustainably by ensuring that their usage does not deplete them faster than they can naturally be replaced. Sustainable use involves managing the extraction and consumption of nonrenewable resources in a way that considers their finite nature, seeks efficiency in utilization, and promotes the development and adoption of alternative, renewable, or more sustainable energy and material sources.
On the other hand, options A and B are incorrect. Nonrenewable resources can have both positive and negative effects depending on their usage and management. While they have been essential in driving modern industrial development and economic growth, their use is associated with environmental impacts like greenhouse gas emissions, air and water pollution, habitat destruction, and climate change.
Option C is partly true as nonrenewable resources are indeed finite, and their quantities are limited. However, just because they are finite doesn't mean they cannot be used sustainably. Sustainable use involves making informed decisions about their utilization, maximizing efficiency, and exploring alternatives to ensure a balance between meeting current needs and conserving resources for future generations.
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Homes that have less/fewer_
most likely have worse indoor pollution.
Answer:Air Flow.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Airflow.
Therefore, the quality of indoor air may be even more important than outdoor quality because of exposure time to pollution. According to the EPA, indoor air quality can be two to five times worse than outdoor air quality, especially with regard to airborne chemicals.
Which is more harmful indoor or outdoor air pollution?According to the EPA, however, the levels of indoor air pollutants are often 2 to 5 times higher than outdoor levels, and in some cases, these levels can exceed 100 times that of outdoor levels of the same pollutants. In other words, sometimes the air inside can be more harmful than the air outside.
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Why do sex-linked traits follow different patterns of inheritance than other
traits?
O
A. Females only carry dominant alleles.
B. Females only have one X chromosome.
C. Males only have one X chromosome.
O
D. Males only carry recessive alleles.
males only have one x chromosome (d)
in sex linked traits males always express it as they have x y chromosomes and can't cover up the trait whereas females have two x chromosomes and can cover up the trait
Answer:D
Explanation:
How does natural selection affect undesirable traits?
A.
It increases them.
B.
It has no effect.
C.
It eliminates them.
D.
It decreases them.
Answer:
the answer is c
Explanation:
Which represents a negative impact of technology?
O
A. Increased recycling
O
B. Renewable energy sources
O
C. Higher food production
O
D. Climate change
Answer:
D
Explanation:
All of the other examples are positive
The negative impact of technology is climate change. The correct option is D.
What is technology?Technology is the application of scientific knowledge to the practical goals of human life, or, as it is sometimes referred to, to the modification and manipulation of the human environment.
There can be many negative impact of technology, some are:
Psychological and physical issues.Difficulty focusing on important tasks.Depression.Climate change.Thus, the correct option is D.
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The fruit of a certain plant is sweet and fleshy. The seeds of this plant have a seed coat that is
fairly tough. The seeds germinate better if they are exposed to acid, or scarification. What is
the most likely type of dispersal for this seed?
water
animal
wind
Answer:
Animal
Explanation:
The fact that the seed is sweet and fleshy means it attracts animals who ingest it due to its palatability. The animals get to diperse the plant seeds. The acidic environment of the digestive tract of the animals helps soften the seed coat. When the seed is finally excreted by the animal, is can easily germinate.
An example of what is geese flying south for the
Answer:
migration
Explanation:
birds move one place to another, geese is one of them, usually they migrate is because winter is coming and there isn't so much food,need shelter, surviving and driving to safety. All they want is a good home
♡
Air pressure is _____.
Answer:
Air pressure is the weight of air molecules.
Explanation:
Air pressure can be described as the force generated by the weight of air on the surface of the Earth. The size and number of the air molecules determine the air pressure.
When the number of molecules in the air increases, it generates more force on the Earth's surface and we say that it is regarded as a rise in the atmospheric pressure. A mercury barometer is a device which is used to measure the air pressure.
Which phrase describes the element carbon-14?
A-decays at an unknown rate
B-found in an organism’s remains
C-forms from the breakdown of nitrogen-14
D-is measured to determine the age of sedimentary rocks
The correct option is B.
Carbon-14 is a carbon radioisotope discovered on february 27, 1940 by Martin Kamen and Sam Ruben.
It is used to determinate the age of fossils or archaelogical remains that contain organic material : remains of living beings or objects made of natural raw materials such as wood.
The radiocarbon dating method is the most reliable technique for knowing the age of organic samples less than 60.000 years old.
Paleontologists as they know the average time of disintegration of that isotope, examining the amount of that compound and its extinction curve, can know the antiquity of a fossil.
The mass of the 14C isotope of any specimen decreases at an exponential rate, which is known at 5.730 years after the death of a living being, the amount of 14C in its remains has been reduced by half. Thus, by measuring the amount of radioactivity in a sample of organic origin, the amount of 14C still remaining in the material is calculated. This way it can be dated the moment of the death of the corresponding organism.
Top 3 ideas for maintaining soils and supporting biodiversity.
Answer:
Crop rotation, intercropping, adding manures and composts to the soil.
Explanation: yesquad
Implementing agroforestry practices, reducing tillage and supporting the use of organic fertilizers.
What are the ways to maintain soil and biodiversity?Adopting regenerative agriculture practices: Regenerative agriculture practices such as cover cropping, crop rotation, and reducing tillage can help maintain soil health and support biodiversity. These practices promote the growth of soil microorganisms, which are essential for plant growth and nutrient uptake, while also preventing soil erosion and reducing the use of synthetic fertilizers and pesticides.
Planting diverse crops and creating habitats: Planting diverse crops such as companion plants and incorporating wildflower strips or hedgerows can support biodiversity by creating habitats for pollinators and other beneficial insects. Creating habitats can also help to prevent soil erosion and improve soil structure by promoting the growth of deep-rooted plants.
Composting and reducing waste: Composting food and yard waste can help to maintain soil health by adding organic matter to the soil, improving soil structure, and increasing nutrient availability for plants. Composting can also reduce the amount of waste sent to landfills, which can contribute to greenhouse gas emissions and other environmental issues. By reducing waste and composting, we can support biodiversity by reducing the impact of human activity on the environment.
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Which of the following are the functions of the skeletal system?
Blood cell production in soft marrow tissues and mineral reserves
Largest organ of the body for defense and support
Vitamin D production and pumping blood through vessels
Voluntary movement and contractile movement
Blood cell production in soft marrow tissues and mineral reserves. Therefore, option (A) is correct.
The skeletal system is a complex framework of bones, cartilage, and connective tissue that provides structural support and protection for the body's organs and tissues. It consists of 206 bones in adults, which are connected to each other by ligaments, tendons, and muscles, allowing for movement and flexibility.
The skeletal system also plays a crucial role in producing blood cells, storing minerals such as calcium and phosphorus, and supporting the body's weight. Without the skeletal system, the body would not have the necessary support to maintain its shape, nor would it be able to move or perform many of its vital functions.
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What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance
Answer:
water balance
Explanation:
The flow of water from the high concentration to the low concentration is called osmosis.
The correct answer is option D which is water balance.
What is osmoregulation?The regulation of solute in the water is called osmoregulation.
According to the question, The concentration of the solution depends on the solute and the solvent. The universal solvent is water.
Hence, the correct answer is option D.
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What will occur when the carrying capacity for humans is met?
A. Diseases will increase.
B. Natural disasters will increase.
C. The death rate will decrease.
D. The population will increase.
Answer:
A
Explanation:
Answer: A. Diseases will increase.
Explanation:
The carrying capacity can be define as the maximum number of the population of species that an ecosystem can support in terms of availability of resources. When the population of the species exceeds the carrying capacity, the population of the species starts declining.
When the human population met the carrying capacity, the diseases will increase as the transfer of pathogen will become easy and the resources to cure the population will be limited.
HELP BEING TIMED!
Which condition causes changes in air pressure in the atmosphere?
building clouds
rapid air movement
condensation of water vapor
uneven heating of Earth’s surface
Answer:
Uneven heating
Explanation:
Uneven heating I believe because change in pressure is caused by changes in air density, and air density is related to temperature. warm air is less dense than cooler air
Answer:
Unevening heating of Earth's surface
Explanation:
since the Earth is made by land and water it absorbs the sunlight of the sun at different high levels. Pressure,wind includes that as well.
A teacher modeled part of a DNA molecule using two of these coiled springs. Which part of the DNA molecule was the teacher most likely modeling?
Answer:
The double helix shaped sugar phosphate backbone
What is kudzu? Plz help
Answer: D. an invasive, fast-growing vine native to Japan
Explanation:
Kudzu is the invasive vine native of Japan. It is fast growing in nature. It reproduce and spread by the mode of asexual reproduction. Also conduct the sexual mode or reproduction in which the pollination is entirely dependent upon the pollinators. In Japan Kudzu thrives in mountainous regions.
It was introduced to United States. In US it is used as a livestock feed, erosion control and fertilizer.
how does ground water become polluted ?
a. pollutants mixed with water pass through permeable layers above the aquifer.
b. factories dump their waste directly into aquifers.
c. refuse infiltrates the water table when garbage is dumped.
d. all of the above.
Answer:
A
Explanation:
Just took my test
Groundwater becomes polluted when pollutants mixed with water pass through permeable layers above the aquifer..
What is groundwater?Groundwater refers to the water that exists beneath the earth's surface in underground streams and aquifers.
Water pollution, on the other hand, is the release of toxic substances called pollutants into water via natural or anthropogenic sources.
Therefore, it can be said that groundwater becomes polluted when pollutants mixed with water pass through permeable layers above the aquifer.
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pllllllllzzzzzzzzzzzzzz help asap
the following diagram shows the branching tree diagram for some animals.
Which two organisms share the greatest number of derived characteristics? (5 points)
Frog and kangaroo
Kangaroo and chimpanzee
Lion and chimpanzee
Shark and chimpanzee
Answer:
lion and chimpanzee
Explanation:
lion and chimpanzee
share the greatest of derive characteristics
Answer: Shark and Chimpanzze
Explanation: They share the least amount of characteristics.
How do cranial nerves transmit information to the senses?
Answer:
it transmits threw the neurons
The earth's four main spheres continuously interact to support life and balance Earth's materials. When plants absorb carbon dioxide for photosynthesis, it is an example of _____ and _____ sphere interaction. biosphere, lithosphere biosphere, atmosphere hydrosphere, lithosphere cryosphere, lithosphere
Answer:
Bioshpere and atmosphere interaction.
Explanation:
Plants are living organisms that are part of the biosphere. These plants obtain their carbon from the atmosphere, absorbed through the leaves. The carbon that they absorbed is used to produce their food through the process called photosynthesis, which also needs water and sunlight for it to occur.
Although plants are rooted on the ground, it is still part of the biosphere because the biosphere encompasses all living things.
what do cellular respiration and fermentation have in common
Which of the following happened during the Precambrian Era?
the first prokaryotic cells
the first eukaryotic cells
development of photosynthesis
all of the above
D. All of the above
Explanation:Precambrian time incorporates Earth's history from birth up to 590 million years back. That is, the Precambrian traverses 90% of Earth's presence. Fossilized microscopic organisms and blue-green growth demonstrate that crude life existed in any event 3,500 million years prior, and potentially prior.
However, it took another 2,100 million years for eukaryotic cells (plant and creature cells) to show up. These single-celled animals (protozoa) commanded the seas. Multi-cell creatures (spineless creatures) didn't advance until exceptionally late in Precambrian time, around 700 million years prior or 2,800 million years after life initially started on Earth.
The Precambrian Era saw the emergence of the first prokaryotic cells and eukaryotic cells, as well as the development of photosynthesis. Hence, 'all of the above' occurred during this period.
Explanation:The Precambrian Era led to significant milestones in the biological history of life on Earth including the appearance of the first prokaryotic cells, the first eukaryotic cells, and the development of photosynthesis.
The Precambrian Era was a time when the Earth was being shaped by volcanic activities and cooling effects, which led to the formation of simple life forms. First prokaryotic cells emerged, which are simple, single-celled organisms that lack nuclei and distinct organelles. Later, more complex eukaryotic cells developed, which have a true nucleus and various organelles. Additionally, during this era, living organisms developed the ability to undergo photosynthesis, which is the process where green plants and a few organisms convert light energy, usually from the sun, into chemical energy.
Therefore, the answer to your question, 'Which of the following happened during the Precambrian Era?' is all of the above.
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Explain how birth rate, immigration, death rate,
and emigration affect population growth.
Answer:
A population may grow through births or immigration, the movement of individuals into a population.
A population may shrink through deaths or emigration, the movement of individuals out of a population.
Population growth may be calculated using the formula:
(birth rate + immigration) – (death rate + emigration) = population growth
Explanation:
copied from edge
mikael runs with a speed of 3 m/s of 45 seconds . How far does mikael run
Answer:
Mikael runs 135m
Explanation:
To find out how far Mikael ran we will need to do a calculation. The calculation is very simple and can be solved according to the following formula:
distance = speed x time
distance = 3m / s x 45s
distance = 135 meters.
That is, Mikael ran 135 meters in 45 seconds at a speed equal to 3m/s.
After a major forest fire, the process of succession begins in an ecosystem.
Which best describes how succession changes the ecosystem?
Succession is a gradual, predictable process of ecological change after a disturbance, leading to the establishment of pioneer species, development of more complex communities, and eventual stability in the form of climax communities.
Succession is the gradual and predictable process by which the structure and composition of an ecosystem change over time after a disturbance, such as a forest fire. It typically involves the following stages:
1. Pioneer Species: After the disturbance, pioneer species, often well-adapted to colonize bare or disturbed areas, establish themselves.
2. Primary Succession: Over time, more complex plant and animal species colonize the area, leading to the development of a more stable and diverse community. This process is known as primary succession and occurs in areas where no soil is initially present.
3. Climax Community: Eventually, the ecosystem reaches a climax community, which is a stable and self-sustaining community of plants and animals. This community can persist for an extended period under the prevailing environmental conditions.
4. Secondary Succession: In cases where the soil is already present, secondary succession may occur. This process is faster than primary succession as it builds upon the existing soil and seed bank.
Overall, succession brings about a gradual and dynamic transformation in the structure and biodiversity of an ecosystem, leading to increased complexity, stability, and diversity over time.
. A species of moth has evolved a very long tongue to reach nectar at the bottom of a species of orchid. This orchid has evolved a long nectar tube, so that moths feeding on its nectar contact its pollen, helping it to reproduce. This is an example of
A. coevolution. B. independent evolution. C. chemical evolution. D. predatory evolution.
This is an example of <b>co-evolution</b>.
Co-evolution is when species influence each other in their evolution.
Internal gestation followed by live birth is an evolutionary development most likely driven by which of the following? A. The inability of eggs to acquire nutrients to grow complex animals B. The need to give birth and reproduce on dry land where eggs could dry out C. The threat of predators to eat eggs D. Environmental conditions caused eggs to over-absorb dangerous molecules from the environment
Internal gestation likely evolved primarily to prevent dehydration of eggs on land, with added benefits of reducing predation and ensuring higher offspring survival rates.
Internal gestation followed by live birth is an evolutionary development most likely driven by the need to give birth and reproduce on dry land where eggs could dry out. This is because internal fertilization and gestation protect the fertilized egg from dehydration, which is a significant risk for eggs laid on land. Furthermore, internal fertilization isolates the embryo within the female, greatly limiting predation on the young, and enhances the likelihood of fertilization of eggs by a specific male. Although it results in fewer offspring compared to external fertilization, the offspring produced through internal fertilization have higher survival rates due to these protective measures.
While the threat of predators consuming eggs and environmental hazards are also valid concerns, the desiccation risk on land is a critical selective pressure. For instance, while reptile and bird eggs have protective coverings, such as leathery shells or hard calcium coverings, the evolutionary move to internal gestation enables further protection and higher developmental success in terrestrial environments.
What part of the cell does 9 represent?
A. Cytoplasm
B. Lysosome
C. Ribosome
D. Centrosome
Answer:
Lysosome
Explanation:
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The hypothetical island country of Gilder lies in the Mediterranean Sea off the coast of France. Demographers have studied Gilder for the past 50 years. At the beginning of the study, Gilder had a population of 20 million. The demographers have measured birth and death numbers, as well as immigration and emigration numbers, as shown in the data table. From the data, Calculate the population of Gilder for each 10-year period by filling in the Population (NO) and Population (Nt) columns in the data table. Use this formula to do your calculations: Population size: Nt = No + (B + I) – (D + E)initial population = 20,000,000
Answer:
Year 10 - No = 20,000,000 : Nt = 20,820,000
Year 20 - No = 20,820,000 : Nt = 22,000,000
Year 30 - No = 22,000,000 : Nt = 23,735,000
Year 40 - No = 23,735,000 : Nt = 25,843,000
Year 50 - No = 25,843,000 : Nt = 28,183,000
Given, initial population = 20,000,000. So, we can measure population size by population geometric growth model:
Nt = No + (B + I) – (D + E)
What is Population?
Population is defined as the inhabitants of a particular area, town, or country.
Whereas, B is birth rate,
D: death rate of population
I : immigration of population
E: Emigration of population
Nt: population size during time intervel
No: Initial population size,
Year 10 - No = 20,000,000 : Nt = 20,820,000
Year 20 - No = 20,820,000 : Nt = 22,000,000
Year 30 - No = 22,000,000 : Nt = 23,735,000
Year 40 - No = 23,735,000 : Nt = 25,843,000
Year 50 - No = 25,843,000 : Nt = 28,183,000
Conclusion, after the 50 years (Nt) the population size will be 28,183,000.
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If a person had a low level of neurotransmitters, how could this affect the person?
A) Sensory neurons would not be able to form action potentials
B) Neurons would not be able to communicate across synapses
C) Axons would not be able to receive messages
D) The endocrine system would not be able to produce hormones
Answer:
B
Explanation:
Neurotransmitters such as acetylcholine, epinephrine are important at a neuron-neuron junction called synapses. When an impulse reaches the end of one neuron, at the synapse, it causes the release of neurotransmitters from synaptic vesicle that diffuse across the synapse and when they bind to their reports on the other end. An impulse is then generated on the subsequent neuron that travels down the axon to the next synapse.
A low level of neurotransmitters would lead to impaired neuron-to-neuron communication across synapses because neurotransmitters facilitate the transfer of action potentials between neurons. This can affect various bodily functions and potentially lead to mood disorders or impairments in muscle movement and memory, depending on the affected neurotransmitter systems. The correct option is B.
If a person had a low level of neurotransmitters, it could significantly affect their ability to function normally. Neurotransmitters are crucial for the communication between neurons across the synaptic cleft. The correct answer to the question is B) Neurons would not be able to communicate across synapses. When an action potential reaches the end of an axon, it usually triggers the release of neurotransmitters into the synaptic cleft, which then bind to receptors on the postsynaptic neuron's membrane to continue the transmission of the signal.
With low levels of neurotransmitters, the signals sent by neurons would be less likely to cause an action potential in the next neuron. This insufficiency would lead to weakened neural signaling, which can manifest in various ways depending on which neurotransmitters are low and what areas of the brain or body are affected. For example, a deficiency in neurotransmitters like serotonin or dopamine can lead to mood disorders, whereas a lack of acetylcholine can impact muscle movement and memory functions.
How would you define energy How would you define energy and why do living things need energy
Answer:
Living things obtain and use energy
Explanation:
Cells cannot survive on their own. They need power to stay alive. They need energy to perform functions such as growth, maintaining balance, repair, reproduction, movement and defense. This means all living organisms must obtain and use energy to live.
Answer:
PLATO SAMPLE ANSWER:
Energy is the ability to do work. Living things need energy to grow, develop, move, and perform voluntary and involuntary body processes.
Explanation: