If cellular respiration changes, the need for oxygen also changes.
O True
O False

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

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection