3rd Nine Weeks Exam Flashcards
A mixture of clay, silt, and sand
Loam
Formed from the remains of dead organisms compacted over many years (local)
Sediment
Elements or inorganic compounds with a solid crystalline internal structure
Minerals
Forms below or on earth’s surface from molten rock material welling from the mantle
Igneous
It is common for gold mines to have large storage ponds on site that typically contain which toxin?
Cyanide
What is mined to make inorganic fertilizers and some detergents?
Phosphate
The area noteworthy for its frequent volcanoes and earthquakes is known as the “Ring of Fire” and is located in what ocean?
Basin of the Pacific Ocean
What rock is composed of compacted shells and skeletons?
Limestone
The waste material remaining after the desired metallic ore is removed is known as what?
Gangue
What is the layer that constitutes most of the earth’s volume?
Mantle
What type of mining is commonly used to remove coal deposits from hilly or mountainous areas?
Contour Strip Mining
What type of plate boundary could have produced the Aleutian Trench?
Convergent Plate Boundary
The over-withdrawal of groundwater from an aquifer may lead to land collapsing. This can damage roadways, sewer lines, and building foundations. What is this?
Land Subsidence
What is the ratio for earthquake magnitudes?
10 times the previous level
The Sand Andreas tectonic feature in southern California is an example of what?
Transform fault
What environment is most likely to have coal deposits?
Swamps
Ranges of active volcanoes are often located near what?
Convergent Plate Boundaries
What law enables corporations to acquire large tracts of land far below market prices?
General Mining Law
Mountaintop removal is associated with which of the following?
Coal Mining
A huge hole is dug using heavy equipment and explosives to removing a deposit. What type of mining is this?
Open-pit Mining
The heating of ores to remove metals is a process that can release air pollutants such as heavy metals and sulfur dioxide. What process is this?
Smelting
Aluminum ore is what?
Bauxite
An area where a mineral can be extracted in an economically viable manner is a what?
Reserve
Black lung disease, flooding, and cave-ins are most often associated with what?
Subsurface Mines
What is the most common element in the whole earth?
(Volume) Oxygen or (Mass) Iron
Rift valleys are located within what?
Mid-ocean Ridges
The original, single land mass was known as what?
Pangea
We are currently living withing which of the following Geologic Eras?
Cenozoic Era
What is a solid, cohesive aggregate of one or more minerals?
Rock
Mechanical and chemical are two types of what?
Weathering
What is the number one consumed metal in the U.S?
Iron
Pre-existing rocks that have been altered as a result of excess heat and pressure are what?
Metamorphic
What is the number one most polluted place in the world?
Chernobyl, Ukraine
What is located at Yucca Mountain, Nevada?
High-level Nuclear Waste
What is an example of mass wasting?
Landslide
A series of buoys are part of the DART system. This warning system will target
tsunamis
Foliated and nonfoliated are types of _______ rock.
metamorphic
The age of dinosaurs is represented by the _______ era.
Mesozoic
Which of the following is used in insulation and known to cause lung cancer?
asbestos
Of these layers, the furthest from the center of the earth is the
mesosphere
Which of the following is a naturally occurring indoor air pollutant
radon
Which of the following is a secondary pollutant and major component of photochemical smog
ozone
Which of the following is a colorless, odorless gas that binds to hemoglobin in blood
carbon monoxide
Which of the following is a primary pollutant
carbon monoxide
Which of the following reduces the effect of acid rain
adding calcium carbonate to soils
In which layer of the atmosphere does most photochemical smog form
troposphere
Which of the following is commonly used to remove sulfur dioxide from the exhaust of a coal fired power plant
a scrubber
A temperature inversion is the result of
a lid of warm air on top of cooler air
True or false: decreased atmospheric water leads to an increased greenhouse effect
false
What is the main reason CFCs have a long residence time in the atmosphere
they are insoluble in water and chemically unreactive while in the troposphere
Which of the following is NOT a significant effect of increased UV radiation
sea level rise
General class of pollution that characterizes urban area with frequent, high intensity sunshine and mobile air emissions due to heavy transportation is
photochemical smog
Eight days after a 20 g/cubic meter sample of radon gas (with a half life of about 4 days) is emitted into a sealed room, how much of the gas remains.
Divide by 2 twice.
5 grams per cubic meter is the answer
Name an option that will not reduce some of the air pollutants caused by coal combustion.
increase in the use of bituminous coal and decrease in the use of anthracite coal
Name an example of a way that biogas (methane) is not produced in the environment.
solar production
Over 50% of natural background radiation exposure for humans comes from
terrestrial radiation from radon in bedrock material
Name an incorrect statement regarding climate change
the rate of greatest warming has been at the tropics near the equator
Name a gas that contributes significantly to the greenhouse effect and is a by product of bacterial metabolism
nitrous oxide
The over-withdrawal of ground water froma n aquifer may lead to land collapsing and can damamge roadways, sewer lines, and building foundations. This is known as
land subsidence
An earthquake measuring 8 on the Richter scale is how many times greater in magnitude than an earthquake measuring 4
10,000
A switch from coal burning, used to generate electricity, to wind and solar energy would help alleviate all of the following except
loss of stratospheric ozone
The secondary pollutants of photochemical smog are
ozone and nitric acid
The _____ was an international agreement to phase out the use of CFCs and other ozone depleting substances
Montreal Protocol
Ranges of active volcanoes are most abundant near
convergent plate boundaries
In the troposphere, oxygen is found primarily as ___, while nitrogen is found primarily as ___.
O2 and N2
Which of the following is a density independent population control factor
habitat destruction
which of the following is a significant indoor pollutant
formaldehyde
which of the following is not identified by the EPA as one of the top six criteria air pollutants
PANs