It would be B) Pro
Hope this helps you :))
Answer:
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion
Explanation:
Sympathetic and parasympathetic fibers serve the same organs, but they have opposite effects. The sympathetic system prepares the body for intense activity and fight or flight. The parasympathetic system relaxes the body, controls homeostasis and resting and digesting. It is the feed and breed system.
Assuming its "resting" is the place in the middle of the wave crest and trough, the distance between the crest and the middle line would be considered its amplitude. The height of a wave is the distance between the crest and the trough, and wavelength is the distance between two crests.