Answer:
A small area of material moved as a mass would be Mass Wasting!
Explanation:
Hope this helps!!:)
Would appreciate brainliest!!:)
Michael = 9(28) = $252
David = 8(40) = $320
$320 + $252 = $572
They earn $572 combined; one week
The Rocky Mountains are described as younger because the Rocky's are really two mountain chains. The older mountain chain started billions of years ago, and the younger mountain chain pushed the older mountain chain up more, only 60 millions years ago.