Answer:
Low Mass star
Explanation:
The Low Mass Star lives on for Billions ( Trillions? ) Years. These stars have not died off in our universe so we are unsure of whats to come of its cycle after death.
Its true,plants do produce carbon conpunds through photosynthesis. forms the basis of most of life on Earth.
Tropical rain forest
Tropical dry forest
Tropical dry forest / savannah
Desert
Temperate grassland
Temperate woodland
Temperate deciduous forest
Northwest coniferous forest
Boreal forest
Tundra
D is the answer to 3 | C is the answer to 4