Answer:
A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web.
Explanation:
Answer: A. eroded support for the Knights of Labor
Explanation: Trust me!
B An ecosystem because it is i dont know how to explain but i think is that one
The answer is B.
Animals do cellular respiration which requires the intake of oxygen and the output of carbon dioxide. In order for plants to do photosynthesis, they need carbon dioxide to be able to make oxygen for animals to breathe.
the answer you are looking for is option d
