Rocks and Minerals
Compared to felsic igneous rocks, mafic igneous rocks contain greater amounts of
1. white quartz
3. pink feldspar
Correct Answer Number: 4
What are the two most abundant elements by mass found in Earth's crust?
After World War I, why did American farmers fail to share in the general economic growth of the
1. Many immigrants were settling in the west and competing with the farmers.
2. The Federal Government reduced the number of acres on which farm
Glaciers and Glaciation
Multiple Choice Questions
The _ is not the name of a Pleistocene glacial episode in North America.
The _ was the most recent Pleistocene glacial ep
The ice sheet that covered northeastern United States came from which of the following locations?
w) Labrador center in eastern Canada
x) Keewatin center in central Canada
y) Cordilleran center in the Rocky Mountain
ANSWER: W - LABRADOR CENTE
In geological studies, all of the following are TRUE of P waves except that they:
w) are body waves
x) travel like sound waves
y) can pass through liquids
z) are slower than S waves
ANSWER: Z - ARE SLOWER THAN S WAVES
Which one of the following minerals d
What is the name of the atmosphere layer of upwardly diminishing temperature situated above the
stratosphere and topped by the mesopause?
What is the term used to measure the intensity of solar radiation and is equal to one gram calorie