Cleavage in minerals refers to ________.

In ancient Greece, Eratosthenes measured the difference in angles of the Sun’s rays in two different locations in Egypt at the same time to calculate the ________.

Evidence of paleomagnetism can be found in ________.

Wegener’s idea of continental drift was rejected by American geologists because ________.

According to the Big Bang theory, our Universe is ________.

A “bird’s foot” delta configuration, similar to that of the Mississippi River delta, forms when the ________.

The majority of caves are formed by the dissolution of bedrock ________.

Land subsidence is likely when ________.

A meander that is cut off to become completely isolated from the main channel but which retains water is a(n) ________.

Which of the following is an important long-term (i.e., spans tens of millions of years) factor in global climate change?