Which change would cause the topsoil in West
Virginia to increase in thickness?
1) an increase in slope
2) an increase in biologic activity
3) a decrease in rainfall
4) a decrease in air temperature

Describe how an electric generator works

Are the earth's ocean floor and continents the same age geologically? why or why not?

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.