Answer: Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.
Explanation:
Answer:using renewable sources
Explanation:
All the others are bad for the environment
Cells<span> are the basic unit of structure and function in all living things. Hope this helps. :)</span>
Answer: A semi-permeable membrane is that which only allows certain
substances to pass through.
