Need help .

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Loss of protected health information collected for research should be directly reported to:

What are the student's observations and inferences before he starts his investigation?