Planet a is an inner planet with no moon and hardly any atmosphere. planet b is an inner planet with no moon but with a dense atmosphere. which pair of planets is being described?

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange