The diffusion of gas inside the lungs is dependent on two liquids: water and surfactant. Without the surfactant lining the inner surface of the alveoli, what would most likely happen?

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