For more than 20 years, scientists have been analyzing expected climate change and the impact on crops grown in particular regions. for example, states that typically plant corn and soybeans may need to switch to growing cotton. such a change is an example of

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.