Mixtures can be separated chemically / physically while compounds can only be separated chemically / physically

a. physically, chemically
b. chemically, physically
c. chemically, chemically
d. physically, physically

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