Question

What do high pressure systems actually cause?

Answer 1

A

High-pressure systems are frequently associated with light winds at the surface and subsidence through the lower portion of the troposphere. In general, subsidence will dry out an air mass by adiabatic or compressional heating. Thus, high pressure typically brings clear skies.

Answer 2

Hello! I’m happy to help you.
Believe me, I know how it is when you’re in desperate need.

So really, areas of high and low pressure are caused by ascending and descending air. As air warms, it ascends leading to low pressure at the surface. ... Also the air is descending, which reduces the formation of cloud and leads to light winds and settled weather conditions.

From looking at your options, the answer will be choice A.
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