As I know, the effects of human activities on biogeochemical cycling are <span>examples of an ecological study involves the ecosystem level of organization.</span>
Answer:
The answer would be A
Explanation:
The dependent variable Does not change there for they can't change the student scores
D:viruses are not killed by antibiotics.
Red-Billed Hornbill Predator-Prey Relationships Lion-Mouse Meerkat-Insect Hyena-Lion<span>Circle</span>
The answer is
B........................................
