Plate tectonic forces are responsible for the slow movement of continents over geologic time. which of the following processes occurs in the mantle below a convergent plate boundary?
ridge push
slab pull
sea-floor spreading
folding

What are the three types of counseling established by marine corps policy?

Ecology can best be described as the study of what

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different