An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt). Groundwater can be extracted using a water well.
Cells, tree, digestive system, public transportation system, government systems, school systems, families, dog, forest, pond, prairie, communication systems, towns, insect, solar system, weather systems, bird, correctional system, squirrel, soil, etc.
I think the polymers are the hydrocarbons.
If this helped please mark me as brainliest.
The difference between generative writing and drafting is that a generative writing brings up ideas, drafting develops one idea. It is a simple way to differentiate between generative writing and drafting. The correct option among all the options that are given in the question is the first option or option "a".
Hmm, learning about this what a while back, but i would say (1)
