Mr. Matthews is a first-year history teacher. He wants his students to retain as much of the information that he teaches as possible. What technique(s) should Mr. Matthews use to ensure that his students retain the information?

fkk you n*gga

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.

what about it?

is this a ?

honestly, i believe it's a.true.

do i get brainliest? ?

am i right? ?