Which happens during the day at the beach. A. The water is warmer than the land, and air sinks over the water
B. The water is cooler than the land, and air sinks over the water
C. The water is warmer than the land, and air rises over the water
D. The water is cooler than the land, and air rises over the water

B.

Step-by-step explanation:

during a hot day the land and the water both get heated. but the capacity of the water is higher it takes longer for it to heat up then the land.

have a good day! by the way I believe this is science biology lol

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,