The nose and the nasal cavity filter, warm and moisten the air you breathe.

True
False

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

Plants that have reproductive structures called cones are?

When plants use sunlight to make food, the energy of sunlight is