According to scientists, when did humans began to migrate out of Africa? a. about 1,000 years ago
b. about 10,000 years ago
c. about 100,000 years ago

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Which of the following natural resources held india fuel its nuclear power plants? uranium, coal, timber, natural gas

Which is a mathematical statement consisting of a hypothesis and conclusion that has to be proven true? definition