Clays Often Have Positively Charged Surfaces

Multiple Choice

Clays often have positively charged surfaces.How may this have been important in the formation of organic macromolecules?

A) They are a source of ATP to run chemical reactions.
B) They form covalent bonds with organic building blocks.
C) They can form templates by binding organic building blocks.
D) They are a source of oxygen to break down organic building blocks.
E) They are formed from meteorites that carried organic molecules to Earth.