What is the most accepted theory about early human migration to the Americas

The blank theory suggests that the sun, planets, and other celestial bodies of the solar system came from a cloud of dust and gas? a.) condensationb.) steady state c.) big bang d.) nebular

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

Which type of seismic waves are confined at the surface