Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon

Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon
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1 Answer

Answer :

ANSWER: X -- COPPER
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Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous

Description : Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous

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Description : What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

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The continental shelves comprise what percentage o the Earth's total land area? w) 38 percent x) 28 percent y) 18 percent z) 8 percent

Description : The continental shelves comprise what percentage o the Earth's total land area? w) 38 percent x) 28 percent y) 18 percent z) 8 percent

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Description : The jet-stream lies between which two layers of th earth's atmosphere? w) thermosphere and ionosphere x) mesosphere and thermosphere y) troposphere and stratosphere z) stratosphere and mesosphere

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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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The Greenhouse Effect is caused primarily by which of the following processes? w) blocking incoming short wave solar energy x) absorbing incoming short wave solar energy y) heating of the Earth's stratosphere z) absorbing outgoing long wave radiation from the Earth

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What percentage of the earth's atmosphere does O2 comprise? w) 75% x) 50% y) 21% z) 32%

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Which of the following minerals is a source of copper? w) Bauxite (pron: box-ite) x) Hematite y) Malachite z) Galena

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

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

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An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper

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Description : Diamond and graphite are polymorphs of which of th following elements? w) magnesium x) carbon y) sulfur z) nitrogen

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Which of the following is the element which makes up about 8 percent of the earth's crust and occurs in all rocks except limestone and sandstone? w) sulfur x) aluminum y) sodium z) magnesium

Description : Which of the following is the element which makes up about 8 percent of the earth's crust and occurs in all rocks except limestone and sandstone? w) sulfur x) aluminum y) sodium z) magnesium

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What is the name given to a region where one plate of the earth's crust is sliding under another?

Description : What is the name given to a region where one plate of the earth's crust is sliding under another?

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Fossils are rarely found in such rocks as: w) limestone x) sandstone y) shale z) granite

Description : Fossils are rarely found in such rocks as: w) limestone x) sandstone y) shale z) granite

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The fossils found in the tar pits of Rancho La Bre in Los Angeles included all of the following EXCEPT one. Which one was absent? w) saber-toothed cat x) dire wolf y) wooly mammoth z) giant ground sloth

Description : The fossils found in the tar pits of Rancho La Bre in Los Angeles included all of the following EXCEPT one. Which one was absent? w) saber-toothed cat x) dire wolf y) wooly mammoth z) giant ground sloth

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The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite

Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite

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Pedocal (pron: ped-eh-kal) soils are usually found to have developed in: w) forests x) swamps y) grasslands z) jungles

Description : Pedocal (pron: ped-eh-kal) soils are usually found to have developed in: w) forests x) swamps y) grasslands z) jungles

Last Answer : ANSWER: Y -- GRASSLANDS

In which of the following is a continental glacier found? w) Switzerland x) the Rockies y) Greenland z) the Andes Mountains

Description : In which of the following is a continental glacier found? w) Switzerland x) the Rockies y) Greenland z) the Andes Mountains

Last Answer : ANSWER: Y -- GREENLAND

In which of these states can large numbers of drumlins be found? w) Oregon x) California y) Texas z) Wisconsin

Description : In which of these states can large numbers of drumlins be found? w) Oregon x) California y) Texas z) Wisconsin 

Last Answer : ANSWER: Z -- WISCONSIN 

Which of these pairs of minerals are always found in granites? w) muscovite and calcite x) quartz and orthoclase y) hornblende and talc z) augite and magnetite

Description : Which of these pairs of minerals are always found in granites? w) muscovite and calcite x) quartz and orthoclase y) hornblende and talc z) augite and magnetite

Last Answer : ANSWER: X -- QUARTZ AND ORTHOCLASE

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

Last Answer : ANSWER: X and Z -- NITROGEN and OXYGEN

Of the following minerals, the one most resistant to both chemical and mechanical weathering is: w) calcite x) muscovite y) hornblende z) quartz

Description : Of the following minerals, the one most resistant to both chemical and mechanical weathering is: w) calcite x) muscovite y) hornblende z) quartz 

Last Answer : ANSWER: Z -- QUARTZ

Which of the following pairs of minerals are difficult to tell apart because both are always dark in color and almost equally hard? w) muscovite and orthoclase x) muscovite and quartz y) hornblende and talc z) hornblende and augite

Description : Which of the following pairs of minerals are difficult to tell apart because both are always dark in color and almost equally hard? w) muscovite and orthoclase x) muscovite and quartz y) hornblende and talc z) hornblende and augite

Last Answer : ANSWER: Z -- HORNBLENDE AND AUGITE 

Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite

Description : Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite

Last Answer : ANSWER: Z -- QUARTZITE

Which of the following elements is not present abundantly in earth’s crust ? A. Silicon B. Radium (Answer) C. Aluminum D. Carbon

Description : Which of the following elements is not present abundantly in earth’s crust ? A. Silicon B. Radium (Answer) C. Aluminum D. Carbon

Last Answer : B. Radium (Answer)

The most abundant element in Earth’s crust is _____? A. Silicon B. Iron C. Aluminum D. Oxygen

Description : The most abundant element in Earth’s crust is _____? A. Silicon B. Iron C. Aluminum D. Oxygen

Last Answer : ANSWER: D

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

What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

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Which of the following mountain ranges was formed during the Mesozoic era? w) Rocky Mountains x) Cascades y) Appalachian z) Sierra Nevada

Description : Which of the following mountain ranges was formed during the Mesozoic era? w) Rocky Mountains x) Cascades y) Appalachian z) Sierra Nevada

Last Answer : ANSWER: Z -- SIERRA NEVADA

Sulfuric acid aerosols from the eruption of Mt. Pinatubo reduced the rate of global warming last year. They also contributed to the record size of: w) acid rainfalls in Europe x) the anchovy catch off Peru y) the ozone hole over Antarctica z) fish kills in the Amazon River

Description : Sulfuric acid aerosols from the eruption of Mt. Pinatubo reduced the rate of global warming last year. They also contributed to the record size of: w) acid rainfalls in Europe x) the anchovy catch off Peru y) the ozone hole over Antarctica z) fish kills in the Amazon River

Last Answer : ANSWER: Y -- THE OZONE HOLE OVER ANTARCTICA

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

Last Answer : ANSWER: Z -- LARGE SALT CRYSTALS