Where is most nitrogen in the biosphere located? ?

How does a gymnosperm prevent itself from pollinating the same tree

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air