22. where are most mountains on earth formed?
a. at volcanic chains
b. at strike slip faults
c. at mid-ocean ridges
d. at convergent plate boundaries

Closing a ring restricts the rotation around individual car bon carbon bonds hope it will you !

Hybridization occurs frequently in naturethe act or process of mating organisms of different varieties or species to create a hybrid. (molecular biology) the process of forming a double stranded nucleic acid from joining two complementary strands of dna