Question 1 multiple choice worth 2 points)
(02.01 lc)wegener attempted to explain the movement of continents but could not identify a source of force strong enough what did scientists eventually identify
as the primary energy source that drives the movement of earth's plates?
convection
friction
gravity
volcanoes

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

"do a testcross with a homozygous recessive plant."

looks like the answer is     c     to me!