¿cómo cambiaría con el tiempo el área montañosa y la cuenca sedimentaria si solo actuaran los procesos externos?

it has one origin of replication, but it proceeds in two directions - d)

silty loam

hope this

and after water is usually warmed by the sun the water temperature raises and then evaporates .

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.