What is a core in a volcano

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

Chicken pox and hepatitis are bacterial diseases. true or false?

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?