Question

Study the arrow that is circled in the image.

The sun is in the sky. Clouds with blue arrows pointing down toward water. A circled arrow is pointing from the water inland. Red arrows are pointing up from the land to the sky.

What happens at this point?

Warm air is rising.
Cool air is sinking.
There is a difference in air pressure.
Cool air is less dense than warm air.

Answer 1

There is a difference in air pressure.

Explanation: daytime heating makes the air over land warm and rise (low pressure). Cooler, denser air over the water (higher pressure) moves inland at the surface to replace it — a sea breeze caused by the pressure difference.