The __ is a series of geologic processes in which rock can form, change form one type to another, be destroyed, and form again.

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

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above