The answer should be all of the above, if it is not then the answer is A dichotomous key can help classify an unknown organism.
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Answer:
it moves when carbon moves from fossil fuels to the atmosphere when fuels are burned when humans burn fossil fuels to power things and then most of the carbon quickly enter the atmosphere as carbon dioxide gas.
Explanation:
Answer:
This is false.
Explanation:
Stars are made of very hot gas. This gas is mostly hydrogen and helium, which are the two lightest elements. ... Most stars have small amounts of heavier elements like carbon, nitrogen, oxygen and iron, which were created by stars that existed before them.