In an ocean, the upper layer of water with sufficient light penetration to support photosynthesis by aquatic plants i known as the: w) free zone x) plant zone y) photic zone z) primary zone

In an ocean, the upper layer of water with sufficient light penetration to support photosynthesis by aquatic plants i known as the: w) free zone x) plant zone y) photic zone z) primary zone
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ANSWER: Y -- PHOTIC ZONE
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The deep, least productive part of a lake is calle the: w) littoral zone x) profundal zone y) photic zone z) limnetic zone

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Last Answer : ANSWER: X -- PROFUNDAL ZONE

What form of runoff is water that flows down a slope within the upper layers of the soil rather than on top of them? w) interflow x) extraflow y) endoflow z) detrital runoff

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Description : An open-ocean community is also called a: w) pelagic community (pron: pe-laj-ick) x) benthic community (pron: ben-thik) y) lentic community (pron: len-tick) z) lotic community (pron: lot-ick)

Last Answer : ANSWER: W -- PELAGIC COMMUNITY

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Description : Which of the following energy sources does NOT originally come from the Sun? w) wind x) Ocean thermal energy conversion y) geothermal z) hydroelectric

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Description : Sphalerite is a primary ore of which of the following metals? w) zinc x) tin y) copper z) iron

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Description : Galena is a primary ore of which of the following metals? w) zinc x) tungsten y) lead z) silver

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Description : Hematite is a primary ore of which of the followin metals? w) zinc x) tungsten y) iron z) none of the above

Last Answer : ANSWER: Y -- IRON

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Description : To what does the atmosphere's "greenhouse effect" refer to? w) the fact that ozone reflects ultraviolet radiation x) the fact that air prevents heat from leaving the earth y) the fact that clouds prevent sunlight from reaching the earth z) the fact that green plants use sunlight to produce food

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The emergence of land plants is generally accepted as occurring during what period on the geologic time scale: w) Cretaceous x) Triassic y) Permian z) Silurian

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Last Answer : ANSWER: Z -- SILURIAN

Which of the following terms is used to describe the appearance of a mineral in transmitted light? Is it: w) diaphaneity (pron: die-ah-fah-na-ah-tee) x) translucence y) opaqueness z) porosity

Description : Which of the following terms is used to describe the appearance of a mineral in transmitted light? Is it: w) diaphaneity (pron: die-ah-fah-na-ah-tee) x) translucence y) opaqueness z) porosity

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The tanning rays of the sun are called: w) infrared rays x) visible light y) ultraviolet rays z) gamma rays

Description : The tanning rays of the sun are called: w) infrared rays x) visible light y) ultraviolet rays z) gamma rays

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Description : On which one of the following is the largest known volcanic cone in the solar system located? w) Earth x) Io y) Mars z) the moon 

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In geological studies, a reverse fault having a di less than 10 degrees is known as which of the following types of faults. w) normal x) overthrust y) strike-slip z) none of the above.

Description : In geological studies, a reverse fault having a di less than 10 degrees is known as which of the following types of faults. w) normal x) overthrust y) strike-slip z) none of the above.

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Description : A point of known or assumed elevation on a topographic map is termed: w) benchmark x) contour line y) bathymetric point z) none of these

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In studies of the surface of the earth, a reverse fault having a dip between 10 and 45 degrees is known as a: w) thrust fault x) normal fault y) strike-slip fault z) neither of these

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A lake or pond community is also known as a: w) pelagic community (pron: pe-laj-ick) x) benthic community (pron: ben-thick) y) lentic community (pron: len-tick) z) lotic community (pron: lot-ick)

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Description : Igneous rocks that form from magma are known as: w) minerals x) granite y) intrusive rocks z) gneiss (pron: nice)

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A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as: w) Syncline x) Composite cone y) Anticline z) none of these

Description : A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as: w) Syncline x) Composite cone y) Anticline z) none of these

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Cloud droplets unite most easily to form raindrops in clouds containing which of the following substances? w) ozone x) plant pollen y) carbon tetrachloride z) large salt crystals

Description : Cloud droplets unite most easily to form raindrops in clouds containing which of the following substances? w) ozone x) plant pollen y) carbon tetrachloride z) large salt crystals

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Which of the following processes doesn't account for an increase in atmospheric CO2 (carbon dioxide) levels? w) deforestation x) photosynthetic processes y) plant respiration z) fossil fuel combustion

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On which of the following does the capacity of a kilogram of air for holding water depend? w) the air pressure x) the air temperature y) the dust content of the air z) the ions in the air

Description : On which of the following does the capacity of a kilogram of air for holding water depend? w) the air pressure x) the air temperature y) the dust content of the air z) the ions in the air

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The rock in which ground water is LEAST likely to form caverns is: w) sandstone x) limestone y) salt z) rock gypsum

Description : The rock in which ground water is LEAST likely to form caverns is: w) sandstone x) limestone y) salt z) rock gypsum

Last Answer : ANSWER: W -- SANDSTONE 

Which of the following is the most important erosional and transportation agent? w) wind x) water y) glaciers z) none of the above

Description : Which of the following is the most important erosional and transportation agent? w) wind x) water y) glaciers z) none of the above

Last Answer : ANSWER: X -- WATER

Large streams that enter a standing body of water produce which of the following geological features at their mouths? w) deltas x) load casts y) anticlines z) sync (pron: sink)

Description : Large streams that enter a standing body of water produce which of the following geological features at their mouths? w) deltas x) load casts y) anticlines z) sync (pron: sink)

Last Answer : ANSWER: W -- DELTAS

Of the following choices, the color purple on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations

Description : Of the following choices, the color purple on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations

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Of the following, the color blue on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations

Description : Of the following, the color blue on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations

Last Answer : ANSWER: X -- WATER

Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Description : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Last Answer : ANSWER: Y -- WATER

The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite

Description : The chemical union of iron, oxygen and water forms w) magnetite x) hematite y) limonite z) pyrite

Last Answer : ANSWER: Y -- LIMONITE

The curved body of water formed when a meandering river reshapes and cuts off one of its bends is called: w) an Essing pond x) an Oxbow lake y) a Swensen pool z) a Groovy pool

Description : The curved body of water formed when a meandering river reshapes and cuts off one of its bends is called: w) an Essing pond x) an Oxbow lake y) a Swensen pool z) a Groovy pool

Last Answer : ANSWER: X -- AN OXBOW LAKE

What percentage of the earth's water is fresh water? w) 50% x) 22% y) 7% z) 3%

Description : What percentage of the earth's water is fresh water? w) 50% x) 22% y) 7% z) 3%

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A wave with a wavelength of 40 meters and a height of 2 meters will NOT be refracted in water with a depth of more than: w) 1 meter x) 2 meters y) 10 meters z) 20 meters

Description : A wave with a wavelength of 40 meters and a height of 2 meters will NOT be refracted in water with a depth of more than: w) 1 meter x) 2 meters y) 10 meters z) 20 meters

Last Answer : ANSWER: Z -- 20 METERS

A yazoo stream flows through which of the following? w) gorge x) divide y) backswamp z) water gap

Description : A yazoo stream flows through which of the following? w) gorge x) divide y) backswamp z) water gap

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A circular cavity ground out of bedrock by running water is called a: w) cave x) pothole y) sinkhole z) kettle hole

Description : A circular cavity ground out of bedrock by running water is called a: w) cave x) pothole y) sinkhole z) kettle hole

Last Answer : ANSWER: X -- POTHOLE 

On a topographic map, lines that indicate water depth are termed: w) isogonic lines (pron: eye-seh-gone-ik) x) bathymetric lines (pron: bath-i-meh-trik) y) isopachs z) none of these

Description : On a topographic map, lines that indicate water depth are termed: w) isogonic lines (pron: eye-seh-gone-ik) x) bathymetric lines (pron: bath-i-meh-trik) y) isopachs z) none of these

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Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Description : Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Last Answer : ANSWER: Y -- ACID RAIN

The name of a rapid rise of coastal water that accompanies the arrival of a cyclone is called: w) hurricane x) storm surge y) tidal wave z) cyclonistat

Description : The name of a rapid rise of coastal water that accompanies the arrival of a cyclone is called: w) hurricane x) storm surge y) tidal wave z) cyclonistat

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While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

Description : While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

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Pangaea is the name of a former continent that included: w) all the continents x) only Europe and Asia y) only South America and Africa z) only North and South America

Description : Pangaea is the name of a former continent that included: w) all the continents x) only Europe and Asia y) only South America and Africa z) only North and South America

Last Answer : ANSWER: W -- ALL THE CONTINENTS