The primary energy source during rest, sitting, and standing in place is

*will mark brainliest to the first and correct answer less species diversity results in less a. oxygen b. food c. drinkable water d. all of the above

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Describe how a student should adjust the microscope to see the cells on a slide more clearly?