Which is a component of the biosphere: a. mountains b. permafrost c. bacteria d. argon

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

What are the pros and cons of transect sampling?

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.