Answer:
i think its vestigial, but if not then it is homologous.
hope that hepls!
Answer:
The answer is cellular respiration
see plants are also living beings, they also need oxygen for respiration. There would be less carbon dioxide available for plants for photosynthesis. Atmosphere will be clean, less polluted, clean water. No fighting, peaceful, cool environment
Answer:
examples can be kelp and seaweed with their multi-cellular composition
Explanation:
Answer:
Helium and carbon dioxide