Straight scratches on rock surfaces created by glacial abrasion are known as:

a. rock flour.
b. glacial striations.
c. glacial till.
d. varves.
e. moraines


B

Environmental & Atmospheric Sciences

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The Earth's system that includes the oceans, rivers, lakes, and glaciers of the world is called the _______.

A. Stratosphere B. Hydrosphere C. Asthenosphere D. Lithosphere E. None of the above

Environmental & Atmospheric Sciences

One of the main topics discussed in the opening two-page spread of Chapter 1 (The Nature of Physical Geography) was

A) the relevance of geography in our modern world. B) that volcanoes have dramatically changed the atmosphere over time. C) a huge meteorite impact caused the dinosaurs to become extinct. D) All of these choices are correct

Environmental & Atmospheric Sciences

Which of the following solutions is the most concentrated?

A. one liter of water with 1 gram of sugar B. one liter of water with 2 grams of sugar C. one liter of water with 10 grams of sugar D. one liter of water with 5 grams of sugar E. They all have the same volume.

Environmental & Atmospheric Sciences

The famous Aswan High Dam is located in which nation?

A) Iraq B) Egypt C) Iran D) Lebanon

Environmental & Atmospheric Sciences