What is global warming? Question 4 options: The increase in Earth's average temperature over a long period of time. When the ocean's temperature rises. The period of time when the Earth is closest to the sun. When the Earth's surface and ocean's temperatures are the same.

Ribonuclease activity is a type of nuclease that catalyzes the degradation of rna into small components.

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.