Which is an ion found in a glass of water?
A. OH-
B. He
C. 09
D. N+

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?

2polnis which of the following is an advantage of an in vitro experiment?me

Which anatomical plane is the only one that could not show both the sternal region and vertebral region