Take a deep breath. where does that air you breath in go? it goes into your lungs, but that's not the end! your circulatory system to move the oxygen to all of your cells. what carries the oxygen to every cell in your body?
a) blood
b) food
c) heart
d) veins

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

What is the average speed of a car that traveled 300.0 miles in 5.5 hours