Respiratory system, because the lungs and diaphragm would get the oxygen from the air, and transfer them to the circulatory system (that's a pretty basic explanation, there's much more to it)
Urbanization has changed literally everything over the years from the environment being destroyed little by little but also it effects water pollution and by factories being made puts a bunch of terrible greenhouse gasses that are not healthy to breath in.
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Answer:
Explanation:
they are identified by routinely morphological and biochemical tests
Answer:
monomers are found in the <em>cell nucleus</em>
Explanation:
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pppllllss mark brainlest
Because its is a bit more rare than iron .
