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Question 1 of 10
1. Question
Ozone exhaustion may be a serious environmental threat. Which of the taking after isn’t a genuine statement regarding ozone depletion?
Correct
The breakdown of the ozone layer is mainly the result of a rise in atmospheric chlorofluorocarbons (CFCs). CFCs are used in products that are used for cooling, air conditioning, insulation, or in products that use Freon.
Incorrect
The breakdown of the ozone layer is mainly the result of a rise in atmospheric chlorofluorocarbons (CFCs). CFCs are used in products that are used for cooling, air conditioning, insulation, or in products that use Freon.
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Question 2 of 10
2. Question
The process by which an organism’s inner environment is retained steady in spite of changes within the external environment is best illustrate as
Correct
Homeostasis enables a person, irrespective of changes in the external environment, to maintain a stable internal environment.
Incorrect
Homeostasis enables a person, irrespective of changes in the external environment, to maintain a stable internal environment.
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Question 3 of 10
3. Question
All of the following would obviously occur for all known life modes, excluding
Correct
For biochemical reactions, all life forms involve water, replicate by means of nucleic acid (DNA), and contain carbon atoms.
Incorrect
For biochemical reactions, all life forms involve water, replicate by means of nucleic acid (DNA), and contain carbon atoms.
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Question 4 of 10
4. Question
When a mutation occurs in a gene in a person, it has no effect on the group unless:
Correct
The genetic material must be passed on by reproduction for a mutation to be transmitted. A Mutation results from a change in the composition of the chromosomes containing the genes that determine the properties of an organism.
Incorrect
The genetic material must be passed on by reproduction for a mutation to be transmitted. A Mutation results from a change in the composition of the chromosomes containing the genes that determine the properties of an organism.
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Question 5 of 10
5. Question
Which of the following best clarifies why the length of a day on the planet Venus is longer than the length of an earth year?
Correct
Venus is a planet that’s unique. It takes Venus to revolve around the sun approximately seven and a half “earth” months; it takes roughly eight “earth” months to rotate on its axis.
Incorrect
Venus is a planet that’s unique. It takes Venus to revolve around the sun approximately seven and a half “earth” months; it takes roughly eight “earth” months to rotate on its axis.
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Question 6 of 10
6. Question
What two components keep the planets in their circles?
Correct
To keep the planets in orbit around the sun, both gravity and inertia work together. A world flies in a straight line via inertia.
Incorrect
To keep the planets in orbit around the sun, both gravity and inertia work together. A world flies in a straight line via inertia.
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Question 7 of 10
7. Question
If an individual on Earth weighs 200 pounds, in theory, on which planet does the same person weigh the most?
Correct
The giants of gas, Jupiter, Saturn, Uranus, and Neptune, have diameters much greater than the Earth.
Incorrect
The giants of gas, Jupiter, Saturn, Uranus, and Neptune, have diameters much greater than the Earth.
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Question 8 of 10
8. Question
Which of the following claims is accurate about the giant star Betelgeuse based on the red color of the star?
Correct
Stars appear blue with the highest surface temperature, while stars appear red with the lowest surface temperature.
Incorrect
Stars appear blue with the highest surface temperature, while stars appear red with the lowest surface temperature.
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Question 9 of 10
9. Question
Igneous rocks are present everywhere in the world. Which of the following methods produces an igneous stone?
Correct
Molten rock, which can reach a temperature of around 1,200 degrees Celsius, is lava from an erupting volcano. The solidification of molten rock make an igneous rock that cools and becomes solid either deep inside the earth or on the surface of the earth.
Incorrect
Molten rock, which can reach a temperature of around 1,200 degrees Celsius, is lava from an erupting volcano. The solidification of molten rock make an igneous rock that cools and becomes solid either deep inside the earth or on the surface of the earth.
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Question 10 of 10
10. Question
Earthquakes, depending on many factors, vary in intensity. The strongest earthquakes, however, generally occur near the edges of:
Correct
In the strength and depth at which they occur, earthquakes differ. Earthquake intensity depends on the type of tectonic movement that caused the initial earthquake.
Incorrect
In the strength and depth at which they occur, earthquakes differ. Earthquake intensity depends on the type of tectonic movement that caused the initial earthquake.