Answer:the height of the 2 blocks stacked is 12
Explanation:
add 4in to 8in and you get 12.
Answer:
barchan
Explanation:
sand dunes make the wind erosion
You won't notice much at sea. Maybe a slight change in sea level.
Closer to the land though, water will draw away from the land maybe leaving the sea floor exposed. Then it will surge back in, flooding the land and inundating the coastal area.
Answer:
The ozone layer protects Earth against harmful UV rays coming from the sun.
Explanation: