Quick question What is this bird?

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.

Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders

This one too which statements describe attributes of an artesian well? check all that apply. requires a bucket uses natural pressure uses a mechanical pump is heated by hot rocks or magma has groundwater stuck between impermeable layers