GEOLOGY 101 ACTUAL EXAM WITH

GEOLOGY 101 ACTUAL EXAM WITH

QUESTIONS AND VERIFIED CORRECT

ANSWERS | ALREADY GRADED A+ |

GUARANTEED PASS | GEOLOGY 101

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The atmosphere is divided into several layers based on temperature gradients. In

order upward, they are: - ANSWER- Troposphere, stratosphere, mesosphere,

magnetosphere.

The ocean has two important layers. Which of the following is true of the upper layer as compared to the lower layer? - ANSWER- The upper layer is well-mixed and turbulent.

A geologist drills down into the continental crust and discovers this sequence of sedimentary rocks. Glacial tillite-Stream sediments-Sand dunes-Coal and shale.Assuming the changes were caused by the movement of the continent, which way was the continent moving? - ANSWER- Toward a pole.

The major dissolved constituent of the ocean is? - ANSWER- NaCl (salt)

The minerals hematite and limonite result from the chemical weathering of iron- rich minerals like olivine or pyrite by what process? - ANSWER- Oxidation

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Which of the following common rocks would be most susceptible to chemical weathering? - ANSWER- Limestone

Chemical weathering would progress most rapidly in which location? - ANSWER- Northern South America

How is ice wedging important in preparing rocks for chemical weathering? - ANSWER- It enlarges fractures and cracks, thereby increasing the surface area of the rock

The general term for the blanket of loose rock debris that covers large areas of Earth's surface is? - ANSWER- Regolith

A talus accumulation consists largely of? - ANSWER- coarse, angular rock fragments

Major sources of water in the continental hydrologic system come from? - ANSWER- Evaporation from oceans at 20 to 40 degrees north and south

What is the major source of water that falls as precipitation on the southeastern United States? - ANSWER- The Atlantic Ocean near the Caribbean islands

Locally, the climate may differ from that dictated simply by latitude (position north or south of the equator) because of? - ANSWER- Mountain ranges that alter atmospheric flow patterns.Cold and warm surface currents in the oceans.High elevations

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Much carbon dioxide was removed from Earth's original atmosphere by? - ANSWER- Forming calcite (CaCO3) and other carbonate minerals in limestones.

What is the major source of water that falls as precipitation on the western United States? - ANSWER- The northwestern Pacific Ocean

With regard to global atmospheric circulation, moist warm air ascends in the ____?

• ANSWER- Equatorial regions

Most of the world's major deserts are located in the? - ANSWER- Subtropical high-pressure belts

The source of energy that "fuels" motion in the ocean-atmosphere system is? - ANSWER- Solar energy

The most important layer of the atmosphere for geologic development of the surface is the? - ANSWER- Troposphere, because this is where weather and the decay of rock occurs.

Joints aid in chemical weathering by? - ANSWER- increasing the surface area exposed to weathering agents

The flat-lying area surrounding a river channel is termed the _____. - ANSWER- Floodplain

The lowest elevation to which a stream can downcut is the _____. - ANSWER- Base Level

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