How does he go about eating that but

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

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Compare the composition of the moon's surface with the composition of the earth's surface.