The diaphragm muscle sits below the lungs and continuously expands and contracts. What happens in the chest cavity as a result of this expansion and contraction? O The body fills with carbon dioxide.
O A change in air pressure occurs.
O The alveoli fill with oxygen.

Well, both latitude and intensity of light affect temperature because, the higher the light intensity, the higher the temperature and since latitude is the measure of how close you are to the equator, then the closer to the equator you are, the higher the temperature is.

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.