Answer: Regolith
Explanation: Regolith is formed from the constant bombardment of the lunar surface by space weathering processes, including most prominently meteoroid impacts
Answer:sand dunes
Explanation:
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.
U mean cites ? in the phrase of densely populated area ?
In Brazil they mostly speak Portuguese
