Which chemical weathering process involves the action of carbonic acid on rocks such as limestone that are composed of calcium carbonate?

Oxidation

Hydration

Solution

Carbonation

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

How do chloroplasts set plants apart from other living things

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d