The force of attraction by which terrestrial bodies tend to fall toward the center of the earth

Something resembling a spinal column or constituting a central axis or chief support

National Aeronautics and Space Administrator

Relating to or affecting two or more nations

To contract to less extent or compass

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Question	Answer
Gravity	The force of attraction by which terrestrial bodies tend to fall toward the center of the earth
Spine	Something resembling a spinal column or constituting a central axis or chief support
NASA	National Aeronautics and Space Administrator
International	Relating to or affecting two or more nations
Shrink	To contract to less extent or compass