Q1. what causes the most difference in the air pressure? #1. differences in elevation #2. differential heating #4. windsq 2. when is air pressure highest #1. when air is moving sideways #2. when air is sinking #3. when air is rising q 3. air pressure is measured in witch #1. degrees #2. millibars #3. isotherms#4. isolinesq 4. what pressure pattern is often associated whith clouds or rain #1. low temperatures #2. high temperatures #3. high pressure #4. low pressure

Q 1. what causes the most difference in the air pressure?

Answer = 1. differential heating  

Q 2. when is air pressure highest

Answer = 2. when air is sinking

Q 3. air pressure is measured in witch  

Answer = 2. millibars

Q 4. what pressure pattern is often associated with clouds or rain

Answer = 4. low pressure

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c. is the correct answer