A) They trap the suns heat to warm up the earth, like a real greenhouse
The sperms and ovi has half the number of chromosomes of the somal cells, so they have 8.
It is flase. can be multiply.<span />
Body fossils include molds and casts. A mold is the imprint left by the shell on the rock that surrounded it. Molds of the underside of shell may be left on the surface of rock that formed when sand or mud filled the inside of the shell.
