Answer:
High clouds are anywhere from 5,000m-13,000m high. Some examples of these kinds of clouds are cirrus and cirrocumulus. Contrails are also included in this altitude.
Middle clouds are located anywhere from 2,000m-7,000m high. Examples of these clouds are altocumulus and altostratus.
Low clouds are located from the surface up to 2,000m. Examples of these clouds are cumulus and cumulonimbus.
Explanation:
Factors which caused an Increase in Air Pollution in China:
A.) Coal Combustion
B.) Slash and Burn
C.) Excessive disposal of Garbage into Open Area
Hope this helps!
Answer:
B. one of the longest rivers in North America