All __ are molecules, but only molecules made up of atoms from two or more elements are compounds.
a)ionic compounds
b)atoms
c)elements
d)molecular compounds

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

a. 35°c

b. 25°c

c. 10°c

d. 40°c

its true i dont know very sorry b much < 3 big fan

explanation: