xavier wants to run a marathon someday. he reads an artical in a running magazine that describes a biomolecule that animal muscles utilize first as fuel during exercise. which statement is true about this biomolecule

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.

Snorkeling is a sport that doesn’t require core muscle strength.