*horn noises play loudly in the distance*

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase