Which is an ion found in a glass of water?
A.) N+
B.) O2
C.) H+
D.) O-

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 do nitrifying bacteria convert

What element is able to combine with itself and hydrogen to form large molecules ?