7. Magma that is rich in feldspar and silica is called a. pyroclastic c. composite b. mafic. d. felsic.

The diaphragm is what i think ur talking about

Just dont put scarce

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.