<span>HR-diagram the most populated.</span>

The fundamental unit among them (not derived) is :
Answer:
Tightly packed group of older stars large grouping of more than two stars loose, disorganized star cluster held together by gravity large collection of stars, gas, and dust held together by gravity
Explanation:
Google
Answer:
The answer would be E
Explanation:
The transfer of carbon from the atmosphere to the biosphere is the role of photosynthesis in the carbon cycle.
Answer:
The grazing food chain
Explanation:
There are two kinds of food chains one starting with autotrophs, the grazing food chain, and the other starting with dead organic matter, the detrital food chain.