When one continental plate slides beneath another A.
weathering and erosion work to build high plateaus and mountain ranges.
B.
the process of melting returns material to the Earth's surface.
C.
material from the Earth's surface is returned to the interior.
D.
material from the Earth's interior is always returned to the surface.

answer; i do believe that the correct answer is; ///mendelian genes are at specific loci on the chromosome and, in turn, segregate during meiosis;

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

whats the answer to your question?

some scientists like gregory adcock agree with thorne's theory of regional continuity.

others, like chris stringer and ian tattersall, believe thorne's results may be contaminated or misinterpreted.