Answer:
Definition: U-shaped valleys form through glacial erosion. Glaciation develops in established v-shaped river valleys where the ice erodes the surrounding rocks to create a “U” shaped valley with a flat bottom and steep sides. Glacier movement is driven by gravity
The answer would be B. Arable Land
Answer: Transport proteins carry cells
Explanation: Transport proteins have to times carrier proteins and another. Carrier proteins transport proteins and cells. Hope this helped!
Try D. Tectonic plates are pushed apart partly due to convention currents
Initially, people's believe about the ocean floor was that it is mostly flat, and that it has little to no distinguishing features. This was proven wrong when sonar was used to map the ocean floor by <span>German scientists in the early </span>20th century, and they observed that the ocean floor is varied and it showcases such distinguishing features as atolls, submarine canyons, and mid-ocean ridges.
