Answer:
i believe its the electron transport chain
Explanation:
The structure that serves as the cell's boundaries from its environment is known as the CELL MEMBRANE. It keeps the bad things from coming in, and releases waste out into the environment.
<span>Answer: cell membrane</span>
Answer:
Both A and B
Explanation:
Burning fossil fuels produces carbon dioxide.
Cellular respiration produces carbon dioxide.
Both produce carbon dioxide.
Both A and B.
Answer: they allow air to enter lungs and also permits air into the body
Explanation:
C earth’s population will increase quickly
