Definition: This is a machine that converts electrical energy into mechanical energy.

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?

List the substances normally stored in bone tissue