Which theory of the spread of human beings is supported most by modern evidence? A. Out of Africa theory
B. Multi-regional theory
V. Ice Cap theory

Ifound this on google “solar system formation. scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). this explosion made waves in space which squeezed the cloud of gas and dust.” i hope this you for what your looking for.

Answer the use of flood plains and irrigation;