Question

1a. wind is caused by cool air rushing into an area with low

choose an option
a pressure
b temperature
c speed
d direction

Explanation:

Wind is formed due to differences in air pressure. Cool air, which is denser, moves towards an area of low - pressure (where warm air has risen, creating a pressure gradient). Temperature differences cause pressure differences (not the other way around as in option B). Wind speed (option C) and direction (option D) are characteristics of wind, not the cause.

Answer:

A. pressure