When the continents are at the Earths poles, they receive less sunlight.
Answer:
Simple epithelium is a single layer of cells with every cell in direct contact with the basement membrane that separates it from the underlying connective tissue. In general, it is found where absorption and filtration occur. The thinness of the epithelial barrier facilitates these processes.
Answer: rhino
Just because I said so
Answer:
Burning fossil fuels spits out carbon dioxide into the air faster than photosynthesis and other processes can scrub it back out.
Explanation: