2. which geologic feature occurs at a convergent boundary

a. an earthquake

b. a river

c. an ocean valley

d. a rill

How much water is in the ocean in cubic kilometers

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.

Effective charts and graphs include all of the following except 1. simple, meaningful, attractive design 2. accurate information 3.at least five different colors 5.clear presentation of information