I think it's the first one and the third one. Not completely sure though.
Glaciers had created the Great Lakes.
-Rhear
Beneath Florida are
structures made up mostly with carbonaceous rock such as limestone and
dolostone overlaid with mixtures of sand and clay. When groundwater passes
through this structure, the carbonates are slowly dissolved and thus creating sinkholes.
<span>For centuries, sinkholes have
found popular use as disposal sites for various forms of waste.</span>
Answer:
The Gobi Desert is the largest desert in Asia.
Explanation:
It covers 500,000 square miles, extending from northern China into Mongolia