* Middle clouds with bases between 2000m (1.2 miles) to 6000m.
2 points
Alto
Stratus
Cirrus

c

explanation:

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )