The force that pulls things to earth.

The row of connected bones down the middle of the back.

Research and development of vehicles and activities for aeronautics and space exploration.

Involving two or more countries.

To become smaller or more compacted.

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A.R

astronaut

Question	Answer
Gravity	The force that pulls things to earth.
Spine	The row of connected bones down the middle of the back.
NASA	Research and development of vehicles and activities for aeronautics and space exploration.
International	Involving two or more countries.
Shrink	To become smaller or more compacted.