Fact 1: High pressure systems cause clear weather.

Fact 2: Also known as an cyclone , it is the opposite of an area of high pressure , or a anticyclone.

Given the two facts above, answer the question "Anticyclones cause what?" with the following options: 
- global warming
 - colder weather
 - Greenhouse gases
 - clear weather
 - Dehydration
 - erosion
 - flooding
 - contamination


 

    clear weather     