The daily driving limit for time spent behind the wheel should be no more than

The authors use the word “backbone” in lines 3 and 39 to indicate that

What undergraduate degree can a student earn at a four-year college (not specific to a field of study)?

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.