All cells have the following a) plasma membrane, cytoplasm, and ribosomes.
b) plasma membrane, nucleus, and DNA.
c) DNA, ribosomes, and cell wall.
d) plasma membrane, cytoplasm, and nucler

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.