Water plays a key role in chemical weathering by

a.) dissolving minerals
b.) transporting minerals
c.) contributing to the oxydation process
d.) all of the above

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?

Hybrid instruments that play sounds that are part sampled and part synthesized are known as:

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation