according to Alfred wegener all the continents were joined but later separated after million years so the coast of South America and West coast of Africa must be like a puzzle pieces when matched it must join.
the question also says that he uses geological and fossil evidences so I thought another answer must be from fossils so that's why it's either C or D.
The lapse rate usually regarded as the environmental, variable lapse is usually affected by radiation, convection and condensation,it is 6.5°c per kilometers
