This is from my class

Question

This is from my class

Earth Science 17 ( ESS 17 ) Catastrophes! need some help please

Question 11
1 pts
Which of the following parts of the 3 – cell
conceptual model can explain the presence of
deserts at about 20 – 30 ON and 20 – 305 ?
– polar high where air sinks from the upper atmosphere
compresses and so warms , resuing in clear skies and
low humidity
intertropical convergence zone ( IT CZ ) where surface
winds converge and air rises
– subtropical highs where air sinks from the upper
atmosphere , compresses and so warms , resuing in
clear skies and low humidity
Science