I would say C! Most developing countries have high birth and death rates, while developed countries are more steady.
It’s not B or C. I want to say A but I’m not 100% sure
Coast. or continental slope depending which end.
The answer is D because the volcano cause that to happen
Protocells are self-organized, spherical collection of lipids. This is the proposed as the stepping stone to the origin life. One of the important qualities of protocells is its self-replicating, using the amphiphilic molecules. This requires repeatable set of chemical events.