The correct answer is c i believe
Each organism has a job in a community
Collecting and burning natural gas.... could b wrong
Bacteria to amphibians. amphibians started to turn to fish and some started walking to land. They started laying eggs and turning into reptiles. those reptiles started growing hair turning them into four legged mammals. the mammals then turned to primates which evolved into us.
(strip cropping) cultivation of crops in strips following the contours of the land to minimize erosion.....
