1) where would the highest air pressure be measured? a) sea level eliminate b) mt. everest c) outer space d) in a vacuum

I don't know if this is correct but I think A 

A

I hope this helps and have a great day!!

Nimbostratus is the correct answer.
explanation: nimbostratus clouds are the type of clouds that are mostly likely present on gray, rainy day. these clouds produce continuous rain, snow and there is no thundering or lightening either.

The correct answer is b