Which nitrogenous base always pairs with guanine?

a.) thymine

b.) uracil

c.) adenine

d.) cytosine

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101