Was the Colombian Exchange ultimately a GOOD THING or a BAD THING for the world? Explain why using proof.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.

i think its both a and b