What would be the temperature at a depth of 2500 km?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe