Q: More recently, the death rate has fallen because of the availability of more food and medical advances.  If Mona lives in a country with poor access to food and another country begins providing extra food to her country, what happens to the death rate in Mona's country increases or decreases?
A: decreases


Q: As the distance between the objects increases, the force of gravitational attraction decreases.  Would an astronaut floating five million miles away from the Earth experience less gravitational attraction to the Earth than an astronaut on the surface of the Earth or more gravitational attraction to the Earth than an astronaut on the surface of the Earth?
A: less gravitational attraction to the Earth than an astronaut on the surface of the Earth


Q: Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.  Kathy did some experiments on two different alkanes and one of the alkanes had twice as many carbon atoms than the other. She would notice that which alkane would require a lower temperature to melt alkane with fewer carbon atoms or alkane with more carbon atoms??
A: alkane with fewer carbon atoms


Q: The more cylinders a car engine has, the more powerful its engine can be.  Tommy traded in his four-cylinder Pinto for an eight-cylinder Mustang. The Mustang engine was more powerful or less powerful.?
A: more powerful