Answer:
greenhouses= desert
terrace forming=mountains
alley cropping= rain forest
hydroponics=desert
Explanation:
I believe it's the theory that cells are the building blocks of life and without cells, there would be no life at all. Its also stated cells come from pre-existing cells and each organism has either one or more.
Earths lithospere is solid and sits on top of the softer asthenosphere.
