Answer:
B
Explanation:
soil being depleted to nitrogen due to high runoff
Answer:
These are things that won't be going away. Natural gasses and fossil fuels will likely run out someday or become much harder to find. When you use these sources of energy, they won't be going away and therefore will be sustainable because we can always continue using them.
Does that make sense?
Explanation:
36. <span>The amount of </span>energy<span> at each trophic </span>level<span> decreases as it</span>moves<span> through </span>an<span> ecosystem. As little as 10 percent of the</span>energy<span> at any trophic </span>level<span> is transferred to the </span>next level<span>; the rest is lost largely through metabolic processes as heat.
37. </span><span>The </span>amount of energy<span> at each trophic </span>level<span> decreases as it moves through an ecosystem. As little as 10 percent of the </span>energy<span> at any trophic </span>level is transferred to the next level<span>; the rest </span>is<span> lost largely through metabolic processes as heat.
38. </span><span>The amount of </span>energy<span> at each trophic </span>level<span> decreases as it moves through an ecosystem. As little as 10 percent of the</span>energy<span> at any trophic </span>level is transferred to the next level<span>; the rest </span>is<span> lost largely through metabolic processes as heat.
</span><span>39. idk
</span>
This is false.
Diffusion can occur under an open area and a cell membrane, but not for osmosis. Osmosis can only occur through a semi permeable membrane, which one example can be the cell membrane. Only water molecules move in osmosis, but diffusion can be any fluid which includes gas or liquids.
Answer:
A
Explanation:
Natural selection is most likely to occur in centuries of gradual climate change. Climate change is essentially environmental change, which is why the answer should be A.
