12/44 = 0.2727
(X100)
= 27
( therefore the percent mass of carbon in carbon dioxide is 27%)
Answer:
Producers are limited by consumers.
Explanation:
Answer:
Prokaryotes are simple cells that lack a nucleus or membrane-bound organelles. A nucleus is a type of organelle that holds DNA. In prokaryotes, however, their DNA floats in the cytoplasm in a nuclear region rather than being contained in a nucleus.
Explanation:
Answer:
Ozone layer... pollution
Explanation:
The ozone layer is a layer in the atmosphere which provides a barrier between harmful UV rays and the Earth. However, pollution is quickly depleting the layer which in turn creates a higher risk of skin cancers and other conditions caused by harmful UV rays.
Answer:
what in the world are you learning
Explanation: