Which of the following is not one of the three types of physical processes that can cause weathering?
a. biological
b. cultural
c. chemical
d. physical

Which of the following energy sources is not an example of renewable energy? a. a wind turbine farm b. a clean-burning, coal-fired electric plant c. a hydroelectric dam d. a solar panel mounted on a home

The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?

Circle the letter of the sentence that describes how a fault-block mountain is created. a. it is created by two normal faults b. it is created by two reverse faults c. it is created by a strike-slip fault d. it is created by shearing