15963526
Descripción
Test por Wallace Mason, actualizado hace más de 1 año
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Creado por Wallace Mason
hace más de 5 años
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Pregunta 1
Pregunta
The earth formed from...
Respuesta
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a piece of mars that broke off
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the sun exploding
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gas and dust coming together due to gravity.
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an alien spacecraft
Pregunta 2
Pregunta
The early atmosphere was missing...
Respuesta
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carbon dioxide
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methane
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water vapor
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oxygen
Pregunta 3
Pregunta
Which of the following correctly describes formation of the layers of rock on earth?
Respuesta
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silica sunk to the center, lighter materials like iron make up the crust
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iron sunk to the center, lighter materials like silica make up the crust
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hydrogen sunk to the center, lighter materials like iron make up the crust
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iron sunk to the center, lighter materials like nickel and uranium make up the crust
Pregunta 4
Pregunta
There are multiple theories on how the oceans form. Which of the following are theories that are still being considered? Pick all that are correct
Respuesta
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comets hit earth over millions of years bring water and forming oceans
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a meteorite storm brought water inside of rocks that made it to the atmosphere and rained down to form oceans
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at the beginning water vapor escaped from cooling molten rock, condensed and fell as rain for millions of years. This forms oceans.
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the planet thea was covered in water and during the collision with the earth, it released its water to the earth.
Pregunta 5
Pregunta
The continents began shifting because of....
Respuesta
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meteorite bombardments
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the movement of the oceans
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heat trapped beneath the earth's crust
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the magnetic field
Pregunta 6
Pregunta
Banded(rusted) iron deposits are evidence that _______ is being produced by bacteria
Respuesta
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water vapor
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oxygen
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carbon dioxide
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methane
Pregunta 7
Pregunta
The first supercontinent is called
Respuesta
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pangea
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laurasia
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rodinia
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cambria
Pregunta 8
Pregunta
Which of the following had to be in place before life could move to land?
Respuesta
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continents
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oxygen
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the ozone layer
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b and c
Pregunta 9
Pregunta
The earth is around _________ years old
Respuesta
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4.5 billion
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10 billion
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3 billion
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100 million
Pregunta 10
Pregunta
The EON that the earth formed in is called the ....
Respuesta
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Paleozoic
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Cambrian Period
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Precambrian
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Mesozoic
Pregunta 11
Pregunta
The moon was formed from...
Respuesta
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the moon is a piece of the asteroid belt that drifting into earth's orbit
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gas and dust coming together at the formation of the solar system
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planet Thea collides with earth, the surface of earth is blasted off and forms the moon
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the moon used to be a part of Jupiter's system but was pulled into the earth's gravity.
Pregunta 12
Pregunta
We have a magnetic field because
Respuesta
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the iron core of the earth spins inside out the outer, this spinning iron ball produces a magnetic field
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the minerals in the oceans create an electric field
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the earth spins, and the coriolis effect produces a magnetic field
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everytime we are hit by an iron meteorite our magnetic field grows stronger
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