Which statements best describe a composite material? Select all correct answers. a. Composites all contain carbon, which makes them lightweight
b. A compound may have more desirable properties than its components
c. Composites form hydrogen bonds, which makes them stronger than their components
d. a brick made of mud and straw is an example of a composite; a brick made of mud is not

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

the answer is option a.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter