Carbohydrates, lipids, proteins, and nucleic acids are the four major macromolecules that make up most living things. For each of the four macromolecules, list: a)the elements they are usually composed of b)the monomers that make up each macromolecule c)the function of the macromolecule in an organism d)an example of the macromolecule

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers