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How does convection affect our atmosphere? our layers of earth? our oceans?

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.