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Which of the following seismic waves moves the fastest? A. P-waves B. Surface waves C. S-waves D. It depends on the part of the mantle each type travels through
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Asked 2/26/2019 12:31:38 AM
Updated 6/12/2019 11:06:40 PM
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User: Which of the following seismic waves moves the fastest? A. P-waves B. Surface waves C. S-waves D. It depends on the part of the mantle each type travels through

Weegy: The seismic waves that moves the fastest is the: P-waves.
|Score 1|yumdrea|Points 46134|

User: Which of the following is a divergent boundary? A. Transform B. Oceanic-continental C. Rift valley D. Continental-continental

Weegy: Rift valley is a divergent boundary.
Score 1

User: Which of the following correctly describes seafloor spreading? A. New oceanic crust is formed in the middle of tectonic plates and then spreads outward in bands. B. New oceanic crust is formed at midocean ridges, pushed away from the ridge, and destroyed at deep-sea trenches. C. New oceanic crust is formed at seamounts and spreads outward in all directions. D. New oceanic crust is formed at deep-sea trenches, pushed away from the trench, and destroyed at midocean ridges

Weegy: New oceanic crust is formed at midocean ridges, pushed away from the ridge, and destroyed at deep-sea trenches. -correctly describes seafloor spreading.
|Score 1|MicoMico123|Points 10|

User: What is another name for the Circum-Pacific Belt? A. Pacific Ring of Fire B. Mediterranean Belt C. Mount Pinatubo D. Mount Vesuvius

Weegy: Another name for the Circum-Pacific Belt is Pacific Ring of Fire.
Score 1

User: _______ magma causes powerful and explosive volcanic eruptions. A. Composite B. Basaltic C. Rhyolitic D. Andesitic

Weegy: Rhyolitic magma causes powerful and explosive volcanic eruptions.
|Score 1|Masamune|Points 83468|

User: The building blocks of proteins are known as A. oxygen. B. carbon dioxide. C. euphoric acid. D. amino acids

Weegy: The building blocks of proteins are known as amino acids.
|Score 1|experto|Points 519|

User: Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. stromatolites. B. eukaryotes. C. prokaryotes. D. cyanobacteria.

Weegy: Another name for unicellular organisms that dominated Earth up to the Precambrian time is Prokaryotes.
|Score 1|Janet17|Points 40818|

User: The principle stating that the oldest rocks occur on the bottom of an undisturbed rock sequence is known as A. relative age dating. B. original juxtaposition. C. superposition. D. original parallelism

Weegy: The principle that states the undisturbed rock sequence has the oldest rocks on the bottom is known as superposition.
|Score 1|emdjay23|Points 160460|

User: The largest mass extinction event in the history of the Earth occurred at the end of the _______ period. A. Permian B. Cambrian C. Devonian D. Ordovician

Weegy: The largest mass extinction event in the history of the Earth occurred at the end of the PERMIAN period.
|Score 1|alfred123|Points 128567|

User: The ancient geographic setting of a region is known as its A. passive margin. B. phytoplankton. C. transgression. D. paleogeography

Weegy: The ancient geographic setting of an area is known as its Paleogeography.
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User: When new clay sediment is deposited on top of old beach material, it's known as A. regression. B. aggression. C. transgression. D. progression

Weegy: When new clay sediment is deposited on top of old beach material, it's known as transgression.
|Score 1|yumdrea|Points 46134|

User: Which of the following is a correct description of cogeneration? A. The process of using crop waste to produce ethanol B. The process of using the steam generated by a nuclear power plant to create electricity C. The process of recycling cooking oil and reprocessing it into biodiesel D. The process of recovering waste thermal energy produced in electricity generation

Weegy: The process of recovering waste thermal energy produced in electricity generation -is a correct description of cogeneration.
|Score 1|Janet17|Points 40818|

User: The Cenozoic Era is best described as the era in which A. a mass extinction event occurred. B. dinosaurs emerged. C. mammals began to dominate the land. D. multicellular life diversified.

Weegy: The Cenozoic Era is best described as the era in which mammals began to dominate the land.
|Score 1|marifra|Points 3|

User: Tailings are dangerous because they can A. decrease the amount of nonrenewable resources available. B. release toxic elements into the groundwater or surface water. C. be very explosive. D. increase the chances of a volcanic eruption

Weegy: Tailings are dangerous because they can release toxic elements into the groundwater or surface water.
|Score 1|soumen314|Points 7310|

User: A major consequence of ozone depletion is that A. certain parts of the earth will become over-vegetated. B. acid rain will increase. C. more harmful UV rays will reach the earth's surface. D. solar energy will become ineffective.

Weegy: A major consequence of ozone depletion is that more harmful UV rays will reach the earth's surface.
|Score 1|jerry06|Points 85609|

User: Dinosaurs emerged during what time period? A. Proterozoic Eon B. Paleozoic Era C. Mesozoic Era D. Cenozoic Era

Weegy: Dinosaurs emerged during Mesozoic period.
|Score 1|matahari|Points 63367|

User: The Cenozoic Era is also referred to as the A. Age of Dinosaurs. B. Age of Mammals. C. Age of Fish. D. First Era

Weegy: The Cenozoic Era is also referred to as the Age of Mammals.
|Score 1|yumdrea|Points 46134|

User: Scientists can determine if oxygen existed in Earth's Archean atmosphere by A. looking at the amount of salt content in rocks. B. looking for oxidized iron in rocks. C. determining how many people survived. D. determining the amount of outgassing that occurred

Weegy: Scientists can determine if oxygen existed in Earth's Archean atmosphere by looking for oxidized iron in rocks.
|Score 1|mamarugz|Points 338|

User: _______ is a fuel produced by fermenting crops. A. Oil shale B. Methanol C. Biodiesel D. Ethanol

Weegy: Ethanol is a fuel produced by fermenting crops.
|Score 1|sujaysen|Points 25420|

User: Fuels derived from living things are known as A. synthetic fuels. B. electricity. C. biomass fuels. D. hybrid fuels.

Weegy: Fuels derived from living things are known as biomass fuels.
Score 1

User: Which colorless and odorless gas, produced by radioactive decay of Uranium-238, is considered to be a form of pollution? A. Hydrogen B. Radon C. Boron D. Oxygen

Weegy: Radon, the colorless and odorless gas, produced by radioactive decay of Uranium-238, is considered to be a form of pollution.
|Score 1|selymi|Points 23130|

User: Platinum can be found in which of the following formations? A. Hydrothermal veins B. Sedimentary bands C. Aggregates D. Chromite bands

Weegy: Platinum can be found in Chromite bands.
|Score 1|soumen314|Points 7310|

User: Mining is considered the _______ job in the United States. A. most dangerous B. most lucrative C. least lucrative D. least dangerous

Weegy: Mining is considered the most dangerous job in the United States.
|Score 1|Janet17|Points 40818|

User: Many scientists believe that the current period of global warming is related to increased levels of A. nitrogen in the Earth's atmosphere. B. hydrogen in the outermost layer of the Earth's atmosphere. C. carbon dioxide in the Earth's atmosphere. D. radon being released from the Earth's soil

Weegy: Many scientists believe that the current period of global warming is related to increased levels of carbon dioxide in the Earth's atmosphere.
|Score 1|Masamune|Points 83468|

User: Until the early _______ there were only negligible amounts of free oxygen in the atmosphere. A. Proterozoic B. Precambian C. Cenozoic D. Mesozoic

Weegy: Until the early Proterozoic there were only negligible amounts of free oxygen in the atmosphere.
|Score 1|Masamune|Points 83468|

User: Which statement best describes perigee? A. The closest point in Earth's orbit of the Sun B. The closet point in the Moon's orbit to Earth C. The farthest point in the Moon's orbit to Earth D. The Sun's orbit that is closest to the Moon

Weegy: The statement that best describes perigee: The closest point in the Moon's orbit to Earth.
|Score 1|zcapzbaby|Points 280|

User: A basic observation of a star is how bright it appears. This brightness is known as the star's A. apparent magnitude. B. absent magnitude. C. luminosity. D. absolute magnitude

Weegy: A basic observation of a star is how bright it appears. This brightness is known as the star's apparent magnitude.
|Score 1|eshe22|Points 4711|

User: The passing of the Moon directly between Earth and the Sun is a/an A. elliptical ocular illusion. B. solar eclipse. C. solar shower. D. meteor shower.

Weegy: The passing of Moon between Earth and Sun is solar eclipse.
|Score 1|MrG|Points 45071|

User: The four giant gas planets that are made primarily of lightweight elements are A. Earth, Saturn, Neptune, and Venus. B. Jupiter, Saturn, Uranus, and Neptune. C. Venus, Saturn, Uranus, and Neptune. D. Mercury, Venus, Earth, and Neptune

Weegy: The four giant gas planets that are made primarily of lightweight elements are Jupiter, Saturn, Uranus and Neptune.
|Score 1|Kaysha|Points 7888|

User: Galaxies whose shape seems to follow no set pattern are classified as A. elliptical. B. spiral. C. irregular. D. barred spiral.

Weegy: Galaxies whose shape seems to follow no set pattern are classified as irregular galaxies.
Score 1

User: Which variable stars have pulsation periods between 1.5 hours and 1.2 days? A. Cepheid variables B. Quasars C. Protostars D. RR Lyrae variables

Weegy: The stars that have pulsation periods between 1.5 hours and 1.2 days are RR Lyrae variables.
|Score 1|Malekith22|Points 1631|

User: The point in the Moon's orbit when it's farthest away from the Earth is called A. penumbral. B. eclipse. C. apogee. D. perigee

Weegy: The point in the Moon's orbit when it's farthest away from the Earth is called apogee.
Score 1

User: _______ telescopes use mirrors to bring light to focus. A. Array B. Reflecting C. Refracting D. Interferometry

Weegy: Reflecting telescopes use a mirror to bring light to focus.
|Score 1|emdjay23|Points 160461|

User: An explosion that destroys the outer portion of a star is known as a A. protostar. B. supernova. C. supergiant. D. nebula

Weegy: An explosion that destroys the outer portion of a star is known as supernova.
|Score 1|emdjay23|Points 160461|

User: Which planet has the largest day-night temperature difference? A. Mercury B. Earth C. Uranus D. Venus

Weegy: Mercury has the largest day-night temperature difference.
|Score 1|soumen314|Points 7310|

User: Two stars that are bound together by gravity and orbit a common center of mass are known as A. constellations. B. binary stars. C. galaxies. D. meteoroids.

Weegy: Two stars that are bound together by gravity and orbit a common center of mass are known as binary stars.
|Score 1|jerry06|Points 85609|

User: Martian surface features include gullies and runoff channels, which suggest that _______ on the surface of Mars. A. liquid water once existed B. humans can live C. there is life D. plants could grow

Weegy: Martian surface features include gullies and runoff channels, which suggest that liquid water once existed on the surface of Mars.
|Score 1|emdjay23|Points 160461|

User: The four terrestrial planets that have solid, rocky surfaces are A. Mercury, Jupiter, Saturn, and Mars. B. Mars, Venus, Earth, and Jupiter. C. Mercury, Venus, Earth, and Mars. D. Mercury, Venus, Jupiter, and Mars

Weegy: The four terrestrial planets that have solid, rocky surfaces are: Mercury, Venus, Earth, and Mars.
Score 1

User: Large groups of galaxy clusters that appear in sheetlike and threadlike shapes are known as A. radio galaxies. B. superclusters. C. large clusters. D. local clusters

Weegy: Large groups of galaxy clusters that appear in sheetlike and threadlike shapes are known as SUPERCLUSTERS.
|Score 1|Masamune|Points 83468|

User: The albedo of the Moon is _______ that of the Earth. A. the same as B. overpowered by C. more than D. less than

Weegy: The albedo of the Moon is less than that of the Earth.
|Score 1|Malekith22|Points 1631|

User: How many moons does Venus have? A. 0 B. 6 C. 3 D. 12

Weegy: Venus has 0 moons.
|Score 1|MrG|Points 45071|

User: The Moon is made up mostly of _______, similar to minerals on Earth. A. silicates B. rilles C. oxides D. lunar breccia

Weegy: The Moon is made up of minerals similar to those on Earth, which are silicates.
Score 1

User: The _______ is the innermost layer of the Sun's atmosphere. A. heliosphere B. chromosphere C. solar prominence D. photosphere

Weegy: The photosphere is the innermost layer of the Sun's atmosphere.
|Score 1|Janet17|Points 40818|

User: _______ is a technique that uses the images from several telescopes to produce a single image. A. Radiation B. Refraction C. Reflection D. Interferometry

Weegy: Interferometry is a technique that uses the images from several telescopes to produce a single image.
Score 1

User: Which type of electromagnetic radiation cannot be focused? A. Infrared B. X-rays C. Ultraviolet D. Gamma rays

Weegy: Gamma rays cannot be focused.
|Score 1|Malekith22|Points 1631|

Question
Asked 2/26/2019 12:31:38 AM
Updated 6/12/2019 11:06:40 PM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by maydj [6/12/2019 11:06:15 PM]
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Added 6/12/2019 11:06:18 PM
Deleted by maydj [6/12/2019 11:06:41 PM]
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Until the early Proterozoic there were only negligible amounts of free oxygen in the atmosphere.
Added 6/12/2019 11:06:40 PM
This answer has been confirmed as correct and helpful.
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