Answers by visitors named: Jasmine Holman

what is one thing lyndon johnson is most well known for in his time of office- (1 point) answers below 1. support for affirmative action 2. full support of the civil rights movement 3. support for the space program 4. support for food stamps

1 year ago

What drives the process of plate tectonics- answers below 1. earthquakes 2. ocean currents 3. unequal heat distribution 4. gravity

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Which of the following statements is correct? answers below 1. nonrenewable energy sources are always a better choice than renewable energy sources. 2. Nonrenewable resources generally have a higher impact on the environmental than renewable resources. 3....

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Which are used to measure distances north or south of the equator? lines of longitude lines of latitude meridians elevations

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The asthenosphere and lithosphere are parts of Earth’s _____. geosphere hydrosphere biosphere atmosphere

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Which is not a step in most scientific investigations? developing a hypothesis to explain collected data proving a theory and writing a new scientific law observing and experimenting to test a hypothesis collecting data through observation and measurement

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A map with a scale of 1:24,000 means that _____. one unit on the map is equal to 24,000 units on the ground 24,000 feet is the maximum elevation shown one unit on the ground is equal to 24,000 units on the map the contour interval changes every 24,000 fee...

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The nebular hypothesis suggests that our solar system evolved from a huge _____. asteroid collision star explosion rotating cloud volcanic eruption

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How could two points 35 degrees north of the equator—one in North America and the other in China—be distinguished using map coordinates? by their elevation by their map projection by their longitude by their latitude

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The inner planets—Mercury, Venus, Earth, and Mars—are believed to have been formed by _____. collisions with large galaxies the combining of asteroid-sized debris the explosion of supernovas masses of cold hydrogen and helium

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A nonrenewable resource _____. is available in abundance for use by human beings increases as population increases in order to supply people’s needs for its energy forms so slowly that it may take millions of years to accumulate significant deposits repla...

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The Robinson projection map is considered very useful because _____. most distances, sizes, and shapes are accurate it shows land masses in three dimensions features near edges are most accurate all of the continents are the same size

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Contour lines that touch or overlap on a topographic map indicate a _____. vertical cliff tall mountain depression valley

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As the Earth formed, the force of gravity increased due to increased mass. What effect did this increased gravity have on the forming planet? The planet started to wobble and turned upside down. The planet started to become round and heat up. The planet s...

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What are the two sources of energy for the Earth system? the wind and Earth’s interior the sun and wind the sun and lightning the sun and Earth’s interior

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Which is not driven by energy from the sun? volcanic eruption climate ocean circulation erosion

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Which is powered by energy from Earth’s interior? ocean circulation weather erosion volcanoes

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The idea that Earth’s lithosphere is divided into large, moving sections is called the _____. plate tectonics theory nebular theory biosphere theory global positioning theory

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The source of energy for constructive forces, such as mountain building, is Earth’s internal _____. pressure heat magnetism gravity

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The appearance or quality of light that is reflected from the surface of a mineral is called _____. luster cleavage color streak

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A mineral that contains carbon, oxygen, and the metallic element magnesium would be classified as _____. a carbonate a silicate an oxide a sulfate

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A naturally occurring, inorganic solid with an orderly crystalline structure and a definite chemical composition is _____. an element an isotope a mineral a compound

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Which property is generally the least useful in identifying minerals? hardness color cleavage streak

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Minerals form from bodies of water by the process of _____. cooling precipitation melting condensation

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The Mohs scale measures a mineral’s _____. hardness structure density luster

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. Minerals that form from magma are formed by _____. evaporation crystallization condensation precipitation

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An atom that loses or gains electrons is called _____. a neutron an ion an isotope a proton

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The most abundant element in Earth’s continental crust, by weight, is _____. iron silicon oxygen calcium

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The color of the powdered form of a mineral is called _____. cleavage streak luster fracture

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Diamond is _____. the only mineral with luster a nonmetallic element the hardest mineral on the Mohs scale an isotope of silicon

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The building block of the silicate minerals is _____. a silicon-oxygen tetrahedron a silicon-oxygen triangle a silicon-aluminum triangle an aluminum-oxygen tetrahedron

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A compound contains two or more _____. elements chemically combined simple substances elements physically combined protons combined with electrons

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Isotopes of the same element differ in their number of _____. protons neutrons nuclei electrons

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Chemical bonds are likely to form when _____. an atom’s outer energy level is filled to capacity an atom’s nucleus has the same number of protons as it does neutrons an atom’s outer energy level doesn’t have the maximum number of electrons two atoms have...

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Which describes breccia? a biochemical sedimentary rock a clastic sedimentary rock with large, rounded particles a chemical sedimentary rock a clastic sedimentary rock with angular particles

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Which statement is true? Most rocks are made up of a mixture of minerals. Rocks do not contain any mineral matter. Most rocks are composed of a single mineral.

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. Peridotite, which is composed almost entirely of dark silicate minerals and is believed to make up much of Earth’s upper mantle, has a composition that is _____. granitic ultramafic basaltic andesitic

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Igneous rocks that contain many dark silicate minerals, and that also are rich in magnesium and iron, have a composition that is _____. ultramafic andesitic basaltic granitic

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What type of sedimentary rock is formed from weathered particles of rocks and minerals? intrusive sedimentary rock clastic sedimentary rock chemical sedimentary rock biochemical sedimentary rock

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Which is the correct order of the processes responsible for the formation of sedimentary rocks? erosion, deposition, compaction weathering, cementation, deposition cementation, compaction, erosion

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Which is required for the formation of sedimentary rock? crystallization water heat

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Granite is an example of _____ igneous rock that forms deep beneath Earth’s surface. an intrusive a basaltic an andesitic an extrusive

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Which is not an agent of metamorphism? running water pressure heat hydrothermal solutions

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Where do most metamorphic processes take place? in the first few kilometers below Earth’s surface at least a few kilometers below Earth’s surface, in the lithosphere and upper mantle in the mantle and upper core at least a hundred kilometers below Earth’s...

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An igneous rock that contains mostly plagioclase feldspar and about 30 percent dark silicate minerals has a composition that is _____. ultramafic granitic andesitic

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. Metamorphic rock forms as a result of _____. compaction of sediments heat and pressure the cooling of magma the melting of rock

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The three agents of metamorphism are _____. heat, pressure, and hydrothermal solutions melting, pressure, and weathering heat, extrusion, and running water

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Extreme pressure and temperatures can change sedimentary rock into _____. magma metamorphic rock lava igneous rock

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Magma is molten material that forms _____. anywhere that weathering takes place on Earth’s surface when sediment is moved and deposited deep beneath Earth’s surface

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Which is not a process involved in the formation of sedimentary rock? weathering extrusion compaction deposition

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Any rock exposed at Earth’s surface will undergo _____. weathering cementing crystallizing melting

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An igneous rock that contains mostly pyroxene and olivine has _____. a porphyritic composition a granitic composition an ultramafic composition a basaltic composition

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What rock-forming process occurs when hot magma forces its way into rock? deposition regional metamorphism extrusion contact metamorphism

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A metamorphic rock can be classified according to its _____. texture and composition color and composition density and texture density and color

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In which decade were the first important laws passed to decrease water pollution? 1980s 1960s 1950s 1970s

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The Clean Air Act _____. makes all air pollution illegal limits greenhouse gases in outdoor air limits nonpoint source pollution set limits on certain pollutants in outdoor air

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Which is a fossil fuel? uranium wood coal ozone

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Outdoor air pollution has been associated with _____ deaths each year. between 40,000 and 50,000 as many as 200,000 5,000 10,000 to 20,000

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Which is a drawback to the use of oil shale to produce energy? Processing, mining, and waste disposal are expensive. Oil shale can be mined only in arid regions. Most of the world’s oil shale occurs in politically unstable countries. Oil shale occurs only...

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Which is an example of a nonpoint source of freshwater pollution? factory waste piped into a stream leaking toxic waste landfill sewage treatment plant pesticide runoff from farm fields

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The Geysers, built in 1960 in northern California, remains the world’s premier _____. hydroelectric power plant nuclear reactor geothermal power plant wind farm

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The careful use of resources is called _____. recycling conservation deposition composting

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Which list presents, in the correct order, forms of coal from the first stage of development to the last stage of development? peat, lignite, bituminous, anthracite peat, bituminous, anthracite, lignite peat, lignite, anthracite, bituminous bituminous, pe...

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By 1999, after the Clean Water Act had been passed in 1970, the percentage of U.S. surface waters safe for fishing and swimming had increased from 36 percent to _____. 62 percent 37 percent 95 percent 76 percent

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Which is a drawback to the extensive use of solar energy? It is nonrenewable and usually unavailable at night. It is available only at night. It requires equipment and installation that are expensive. It produces toxic pollution.

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Each day, Earth receives 10,000 times the total energy used by all human beings. The source of this energy is _____. ocean tides the sun cosmic rays the moon

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The mining of oil shale requires _____. semi-arid conditions pressurized steam hot metal-rich fluids large amounts of water

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An unnatural temperature increase in the atmosphere near Earth's surface is called _____. acid precipitation ozone accumulation solar wind global warming

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Which substance is a fuel used in nuclear power plants? uranium carbon dioxide coal sulfur dioxide

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Which is an example of a renewable resource? natural gas cotton coal copper

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Hydroelectric power produces electricity using _____. tidal movement geothermal heat pressurized steam falling water

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The _____ Act requires industries to reduce or eliminate the release of point source pollution into surface waters. Water Safety Safe Drinking Water Lakes and Rivers Clean Water

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What is the function of the atmosphere’s ozone layer? It provides the oxygen needed for human life. It protects Earth from the sun’s heat. It removes pollution from the atmosphere. It shields Earth from harmful solar radiation.

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Soils, forests, and minerals are among Earth’s _____ resources. land water renewable nonrenewable

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Which is not a factor that affects the rate of weathering in rocks? climate biological evolution exposed surface area rock characteristics

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A soil associated with the hot and wet tropics is _____. pedocal bedrock soil pedalfer laterite

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Which type of mechanical weathering is most common in mountainous regions in the middle latitudes? frost wedging unloading biological activity oxidation

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Chemical weathering is most active in a _____. warm, humid climate warm, dry climate cold, dry climate

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Which factor does not commonly trigger mass movements? saturation of surface materials with water earthquakes flat surfaces removal of vegetation

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What type of mass movement occurs when rock fragments or rocks fall freely through the air? slide creep rockfall earthflow

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A soil’s texture is determined by _____. type of humus mineral composition water content particle size

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Which is a result of chemical weathering? a rock that has changed into one or more new compounds a rock that has been split into two parts a rock that has been broken into tiny, similar pieces a rock that has lost its outer layers

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One trigger of mass movements is the pores in sediments filling with _____. water debris air sand

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The slowest type of mass movement, which involves the lifting and contracting of soil particles over time, is called _____. an earthquake rockfall creep a rockslide

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Which weathering process involves the constant freezing and thawing of water? frost wedging unloading exfoliation spheroidal weathering

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Which statement is not true about mass movements? Gravity is the driving force behind all mass movements. Some mass movements are too slow to be seen. Mass movements always create landslides. Mass movements are always downslope.

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Since the existence of humans, the amount of sediments carried by rivers has _____. decreased by about half stayed about the same increased dramatically increased slightly

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What kind of material is found in the C horizon of a soil profile? partially weathered parent material hardpan mineral and organic matter clay particles

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What is the correct order for the process of water eroding soil? gullies, rills, sheet erosion sheet erosion, rills, gullies sheet erosion, gullies, rills rills, sheet erosion, gullies

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By what process do streams and rivers move material? infiltration weathering erosion mass wasting

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The capacity of a stream is directly related to its _____. velocity discharge meandering gradient

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An intermittent hot spring in which a column of water shoots up with great force at various intervals is a _____. mud flat geyser sinkhole artesian well

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In a typical stream, where the gradient is steep, the discharge is _____. large absent immeasurable small

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Which factor does not influence stream velocity? stream discharge channel size stream gradient stream elevation

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A measure of a material’s ability to transmit fluids through interconnected pore spaces is called _____. porosity competence capacity permeability

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Which type of rock usually underlies a karst landscape? shale limestone granite basalt

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What is the ultimate base level of a stream? larger stream layer of rock lake ocean

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What type of stream valley forms in mountainous areas? a narrow V-shaped valley a wide, flat valley a floodplain an oxbow lake valley

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The average annual precipitation worldwide must equal the quantity of water that _____. infiltrates evaporates transpires is used by Earth’s organisms

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Jasmine Holman

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