Ques:The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.  Having read the above passage, choose the right answer to the following question (choices are rock or pebble ):   A rock has more mass then a pebble. Which object will exhibit a greater force of attraction rock or pebble?

Ans:rock
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Ques:Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.  Having read the above passage, choose the right answer to the following question (choices are China or America ):   If America is a rich nation and China is a poor nation, which nation uses less energy resources China or America?

Ans:China
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Ques:Less photosynthesis means that plants and phytoplankton produce less food.  Having read the above passage, choose the right answer to the following question (choices are increases or decreases ):   If Mona owns a greenhouse and she decides to cover the top up to restrict sunlight, what happens to her plant's ability to make food increases or decreases?

Ans:decreases
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Ques:When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.  Having read the above passage, choose the right answer to the following question (choices are move less or move further ):   When you use more force to move a car it will move less or move further?

Ans:
move further
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