Answer:
the cell membrane.
Explanation:
controls what materials go into and out of the cell. For example, the cell membrane allows nutrients and oxygen to move into the cell, and carbon dioxide and waste materials to move out of the cell.
False is the answer I think
Answer:
Industrial smog results from the combustion of fossil fuels and photochemical smog forms when sunlight drives chemical reactions between primary pollutants and atmospheric compounds.
Answer:
the balance of nature will tip and food chains will be incomplete and lead to death of many organisms
A structure that performs a specialized function within a cell is known as
A) a tissue
B) an organ
C) an organelle
D) a system
Answer D