Some lakes are actually collapsed volcanoes.
a. true
b. false

Which objects allow humans to access groundwater? check all that apply.

The red square is a famous historical site that is located in

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.