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Question 1 of 10
1. Question
A shuttle employments its motors to elude the earth’s gravitational drag. Once in space, the shuttle does not require its motors to remain in a circle. Which of the following best clarifies why a space traveler in a circle is weightless?
Correct
Due to the process of elimination.
Incorrect
Due to the process of elimination.
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Question 2 of 10
2. Question
In order to influence the pitch of a sound, which characteristic of a wave needs to change?
Correct
The crest of a wave is the top of its “hill.” The amplitude of a wave is its height, the distance between its position at rest and its crest.
Incorrect
The crest of a wave is the top of its “hill.” The amplitude of a wave is its height, the distance between its position at rest and its crest.
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Question 3 of 10
3. Question
As a secured pot of vegetable soup proceeds to bubble tenderly on the stove, what happens to the temperature of the soup?
Correct
The temperature of the soup remains constant.
Incorrect
The temperature of the soup remains constant.
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Question 4 of 10
4. Question
Which of the following is a case of a third-class lever?
Correct
An object that is free to pass around a fixed point, or fulcrum, is a lever. A lever offers a mechanical advantage since the force applied to a component is compounded by the lever.
Incorrect
An object that is free to pass around a fixed point, or fulcrum, is a lever. A lever offers a mechanical advantage since the force applied to a component is compounded by the lever.
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Question 5 of 10
5. Question
A commercial glass thermometer is somewhat filled with mercury. What physical guideline best clarifies the use of mercury in thermometers?
Correct
The scale marks are evenly distributed on the thermometer. Such a simple scale is only possible because liquid mercury constantly expands.
Incorrect
The scale marks are evenly distributed on the thermometer. Such a simple scale is only possible because liquid mercury constantly expands.
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Question 6 of 10
6. Question
Chemicals are proteins that are basic amid the digestion system. Which of the following best summarizes the importance of chemicals within the metabolic handle?
Correct
Metabolism is the sum of living processes that are chemical and physical. Organisms that provide the basis for the transfer of energy, maintenance of cells, and growth. During the metabolic process, enzymes act as catalysts.
Incorrect
Metabolism is the sum of living processes that are chemical and physical. Organisms that provide the basis for the transfer of energy, maintenance of cells, and growth. During the metabolic process, enzymes act as catalysts.
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Question 7 of 10
7. Question
Which of the subcellular organelles that follow is the cell’s control center?
Correct
The smallest volume of living matter in the cell. The cell is split into the membrane of the cell, the nucleus of the cell, and the cytoplasm.
Incorrect
The smallest volume of living matter in the cell. The cell is split into the membrane of the cell, the nucleus of the cell, and the cytoplasm.
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Question 8 of 10
8. Question
For all life types, photosynthesis is indispensable. which of the following compounds are the raw photosynthesis materials?
Correct
Plants utilize carbon dioxide gas and water as the crude materials for photosynthesis in the presence of vitality in daylight to create the items of sugar and oxygen.
Incorrect
Plants utilize carbon dioxide gas and water as the crude materials for photosynthesis in the presence of vitality in daylight to create the items of sugar and oxygen.
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Question 9 of 10
9. Question
In receiving nourishment, which of the following species are most sincerely independent?
Correct
True independence means that they are not subject to maintenance or that they do not want or depend on anything else for some. The food consists of food.
Incorrect
True independence means that they are not subject to maintenance or that they do not want or depend on anything else for some. The food consists of food.
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Question 10 of 10
10. Question
An understudy conducts an exploration to illustrate changes that would conceivably take put within the discussion in a sealed nursery containing numerous plants. Which of the following articulations is the foremost likely result of this test?
Correct
The most likely result of this experiment is that air is becoming poorer in carbon dioxide.
Incorrect
The most likely result of this experiment is that air is becoming poorer in carbon dioxide.