Could you please help me with this question?

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is

What gases are carried by the blood