10 points and brainliest for the first to answer!
word bank:
buffer, chemical bond, crystalline, radioactive

as they change to another substance over time, elements give off energy.

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

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.