Answer:
The compass always points north. One can use this to know which direction North is, and therefore, in which direction south is, since south is directly opposite of north.
The awnser is a because it is the best awnser
I dont c descriptions but heres the answer ;)
<span>desertfication is the expanding of deserts, and the shrinking of other ecosystems ;)</span>
They are made up of mainly hydrogen and helium. They are called the gas giants
