The Earth's magnetic field is strongest at its and is where you can see the or the .

Why do german shepherds shed so much

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?

What is the next step in the process after a substrate enters the active site of an enzyme