Answer:
a.
Explanation:
The air moves faster across the top of the surface and exerts less pressure on the air below and thus due to difference in air pressure the top roof is lifted.
hence the correct option is pressure underneath them is reduced.
Glass and water are thicker and heavier than air. They are said to be 'denser' than air. What happens is that light slows down when it passes from the less dense air into the denser glass or water. This slowing down of the ray of light also causes the ray of light to change direction.
It is indeed divided into Intensive, exclusive, and selective disribution. let me explain them. When we talk about Intesive distribution we say that we have a strategy that is designed to place products in as many outlets as possible. The exclusive distribution is when we recognize policy by granting exclusive geographic territories to one or very few retail customers so no other retailers in the territory can sell a particular brand. And when we talk about selective distribution we know that it <span>lies in between the intensive and exclusive distribution strategies because it uses a few selected customers in a territory</span>
The student's path traces out a rectangle and she ends up at the same spot, so her <u>displacement</u> is 0 m.
On the other hand, she travels a <u>total distance</u> equal to the perimeter of that rectangle,
4.0 m + 8.0 m + 4.0 m + 8.0 m = 24 m
