100 points Due Oct 12, 11:59 PM
Extension Draw a diagram and write a paragraph which explains how humans have produced a desired characteristic in
a cow through selective breeding. Use an example in your answer. Also, explain the advantage of your desired
characteristic.
Write down some of the limitations of selective breeding

If this is supposed to be an essay, do some reaseach...

Explanation:

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.