Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) ozone and methane x) nitrous oxide and sulfur dioxide y) methane and carbon dioxide z) ozone and carbon monoxide
Last Answer : ANSWER: Y -- METHANE AND CARBON DIOXIDE
Description : Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities? w) oxygen and hydrogen x) ozone and methane y) nitrous oxide and sulfur dioxide z) methane and carbon dioxide e) ozone and carbon monoxide
Last Answer : ANSWER: Z -- METHANE AND CARBON DIOXIDE
Description : The principal volcanic gas (in terms of quantity) is: w) carbon dioxide x) nitrogen dioxide y) sulfur dioxide z) steam (H2O)
Last Answer : ANSWER: Z -- STEAM (H2O)
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
Description : Diamond and graphite are polymorphs of which of th following elements? w) magnesium x) carbon y) sulfur z) nitrogen
Last Answer : ANSWER: X -- CARBON
Description : Waste gases from industrial plants form acids that hasten chemical weathering. Most of the gases are compounds of: w) argon x) hydrogen y) iron z) sulfur
Last Answer : ANSWER: Z -- SULFUR
Description : The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides
Last Answer : ANSWER: Z -- OXIDES
Description : Which of the following is believed to be responsible for the hole in the ozone layer over Antarctic? w) carbon dioxide x) compounds containing sulfur y) radioactivity z) compounds containing chlorine
Last Answer : ANSWER: Z -- COMPOUNDS CONTAINING CHLORINE
Description : Carbon dioxide is an important greenhouse gas. What is the current rate in parts per million per year of atmospheric increase of this gas? w) 0.15 ppm per year (parts per million) x) 1.5 ppm per year y) 15 ppm per year z) 150 ppm per year
Last Answer : ANSWER: X -- 1.5 PPM PER YEAR
Description : 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
Last Answer : ANSWER: X -- PHOTOSYNTHETIC PROCESSES
Description : The concentration of carbon dioxide in the atmosphere is in the range of: w) 1-10 parts per million x) 10-100 parts per million y) 100-1000 parts per million z) 1000-10,000 parts per million
Last Answer : ANSWER: Y -- 100-1000 PARTS PER MILLION (the exact number is 350 ppm as of the time of this article)
Description : The streak of a mineral can be obtained most easil by performing which of the following tests? w) rubbing the mineral on an unglazed white tile x) putting the mineral into acid y) scratching the mineral with a diamond z) examining the mineral under a microscope
Last Answer : ANSWER: W -- RUBBING THE MINERAL ON AN UNGLAZED WHITE TILE
Description : Which element in chlorofluorocarbons (CFCs) is responsible for destroying the Earth's ozone layer? w) oxygen x) fluorine y) chlorine z) bromine
Last Answer : ANSWER: Y -- CHLORINE
Description : 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
Last Answer : ANSWER: X -- COPPER
Description : Which one of the following molecules exhibits resonance? w) Carbon Tetrachloride x) Carbonate ion y) Sulfur Dichloride z) Phosphorus Tribromide
Last Answer : ANSWER: X -- CARBONATE ION
Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite
Last Answer : ANSWER: X -- CINNABAR
Description : North American Indians used this mineral of volcanic origin to make tips for arrows: w) obsidian x) quartz y) flint z) pumice
Last Answer : ANSWER: W -- OBSIDIAN
Description : Which of the following is the mineral name for ordinary salt? w) biotite x) calcite y) halite z) dolomite
Last Answer : ANSWER: Y -- HALITE
Description : The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite
Last Answer : ANSWER: W -- QUARTZ
Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite
Last Answer : ANSWER: W -- FELDSPAR
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper
Last Answer : ANSWER: Y -- QUARTZ
Description : The mineral halite is: w) potassium chloride x) sodium chloride y) calcium chloride z) calcium bromide
Last Answer : ANSWER: X -- SODIUM CHLORIDE
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
Last Answer : ANSWER: W -- DIAPHANEITY
Description : What device is used to remove sulfur dioxide from power plant stack gases? w) scrubber x) precipitator y) digester z) clarifier
Last Answer : ANSWER: W -- SCRUBBER
Description : Carbonic acid is extremely active in the chemical weathering of: w) feldspar x) quartz y) carbon z) quartzite
Description : The core of the earth is thought to be composed of which of the following? w) basalt and granite x) compressed gases y) uranium and lead z) iron and nickel
Last Answer : ANSWER: Z -- IRON AND NICKEL
Description : A standardized base solution should be protected from which of the following gases? w) hydrogen x) carbon dioxide y) nitrogen z) argon
Last Answer : ANSWER: X -- CARBON DIOXIDE
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
Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide
Last Answer : ANSWER: W -- LIMESTONE AND CARBON
Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel
Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL
Description : Which of the following is not a major pollutant from automobiles. w) carbon monoxide x) unburned hydrocarbons y) nitrous oxide z) sulfur dioxide
Last Answer : ANSWER: Z -- SULFUR DIOXIDE
Description : Which of the following auto mobile gases is not considered to be an air pollutant? (1) Carbon dioxide (2) Carbon monoxide (3) Sulfur dioxide (4) Nitrogen dioxide
Last Answer : (1) Carbon dioxide Explanation: There are mainly six air pollutants: carbon monoxide lead, ground-level ozone, nitrogen dioxide, particulate matter, and sulfur dioxide.
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
Description : Which of the following elements can form the great number of covalent bonds? w) carbon x) nitrogen y) oxygen z) sulfur
Description : Which two gases are used to disinfect water in sewage treatment facilities? w) helium and nitrogen x) ozone and chlorine y) oxygen and hydrogen z) nitrogen and chlorine
Last Answer : ANSWER: X -- OZONE AND CHLORINE
Description : Which of the following is the primary reason for adding calcium carbonate to the reduction process of iron oxide ores ? The calcium carbonate: w) acts as an oxidizing agent x) removes silicate waste products y) acts as a reducing agent z) removes sulfur waste products
Last Answer : ANSWER: X -- REMOVES SILICATE WASTE PRODUCTS
Description : Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide
Last Answer : ANSWER: Y -- HYDROGEN SULFIDE (NOTE: putrescine is a real compounz)
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
Description : You are adrift off the coast of Miami, Florida in the Gulf Stream. Where would you most likely land? w) Argentina x) Louisiana y) New York z) The British Isles
Last Answer : ANSWER: Z -- THE BRITISH ISLES
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
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
Description : The hydrolysis of orthoclase results in the formation of: w) shale x) kaolin y) lime z) hydrochloric acid
Last Answer : ANSWER: X -- KAOLIN
Description : What name is given to the science which studies the atmosphere? w) oceanography x) atmospherology y) meteorology z) weatherology
Last Answer : ANSWER: Y -- METEOROLOGY
Description : Which of the following names is given to the supercontinent thought to have existed in the Cambrian period? Is it: w) Pangaea x) Afrasia y) Gondwanaland z) Europia
Last Answer : ANSWER: W -- PANGAEA
Description : Which of the following molecules is polar? w) Iodine x) Carbon Dioxide y) Carbon Monoxide z) Chlorine
Last Answer : ANSWER: Y -- CARBON MONOXIDE
Description : Which of the following is a mineral? (A) Coal (B) Petroleum (C) Natural gases (D) Diamond
Last Answer : Diamond
Description : One source of Acid Rain is: w) sulfur in fossil fuels x) carbon in coal y) hydrogen in hydrocarbons z) chloroflorocarbons in aerosols
Last Answer : ANSWER: W -- SULFUR IN FOSSIL FUELS
Description : Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen
Last Answer : ANSWER: W -- HELIUM
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