3. How many square meters does the crystal coral cover in the experimental sample (18 mº) in 2007?

Idon't know how to do this but maybe ask your mom or dad

The category is the thing that is most simmilar throughout a period

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.