The process of converting nitrogen gas to nitrate ions that
plants can absorb is

Whose work is most likely to be part-time and at several locations? а. physical therapistb. sports physicianc nutritionistd group fitness instructor

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 of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence