Many years ago, people were puzzled as to just how two objects could exert ____ on each other when they were some distance apart with no material connection between them.
a. pressure
b. force
c. weight
d. electrical charges
b. force
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Describe the trends of human population growth over the past 8,000 years
What will be an ideal response?
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Describe the basic construction of a simple planetary gear set.
What will be an ideal response?
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Problems associated with free-roaming dogs and cats include
A. Their adding to environmental pollution B. Creating public health and safety problems associated with dogs and cats attacking/biting children and adults C. Disseminating diseases and adding to fly control problems D. Creating traffic hazards and often accidents E. All of the above
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How many 9-inch line segments are there in a straight line 153 inches long?
What will be an ideal response?
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