Helps to reduce pollution in a community
Answer:
during the Cambrian Period of the Paleozoic Era.
Explanation:
The Paleozoic is the earliest era (of three) of the Phanerozoic Eon and is composed of six geologic periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian (in that order from earliest to the latest). Fish first appeared about 530 million years ago during the Cambrian explosion.
Answer:
Your answer is B.
Explanation:
Since elements can't exactly "die", the element rather breaks down in the soil below it, and is used again upon the next plant or animal.
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Answer:
Cellular Respiration occurs when cells use oxygen to produce energy from food you eat.