Aquatic Plants, Fish, Amphibians, and Algae (In a Freshwater Ecosystem)
Explanation:
A biotic factor is a living organism that shapes its environment.
Answer:
Asia
Explanation:
The flu usually starts in Asia. (Sorry i don't know what else to add as an explanation)
Answer:
the correct answer is b
Explanation:
the human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. the primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
The arteries get "hard" and absorb less systolic force