Answer:
Sound waves are pushed closer together, decreasing wavelength
and increasing frequency.

Jake was playing making a paper airplane, after making he kept it on the table and went to have food.
Suddenly his brother saw the plane and threw it in the air, The airplane kept flying for about 3m/s and it hit his mother and due to the force the plane stopped.
{kept in on the table>rest
brother threw the plane>moving
it hit his mother>force that stopped it}
(mark me brainliest if you're satisfied with my answer)

Aquifer- the layer permeable rock that has connecting pores & transmit water freely, the artesian well water rises to the surface.
Hope this helps!
Answer:
D. magnitude and direction
Explanation: