During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen.
Then Respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.
Two species of crickets, Gryllus rubens and Gryllus texensis, have different courtship sogs which can be identified only by the opposite sex of their own species..... I hope this answer helped you out!
The correct choice is d, the burning if fossil fuels because fossil fuels do a lot of harm to the world.
Answer: polyunsaturated fatty acid residues
Explanation: Unsaturated fatty acids have a lower melting point so arctic animals have these fatty acids in their membranes.
