Which is an abiotic factor? A. fungi B. plants C. animals D. elevation

What is one benefit of a non renewable resource, such as natural gas? a. generates large amounts of electricity b. less expensive c. produces pollution d. will run out eventually

Coral have a symbiotic relationship with what in order to eat?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above