Given the fact that: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow. Answer the question: If Milo calms down and his heart starts pumping less blood with each stroke, what happens to his heart rate increases or decreases?
increases

Given the fact that: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do. Answer the question: Amy is from the USA, where she used lots of fossil fuels. Andy is from a poor country where there are few fossil fuels to be used. The person who's country will contribute more to air pollution is Amy's or Andy's?
Amy's

Q: Given the fact that: Richer nations use far more energy resources, especially fossil fuels, than poorer nations do. Answer the question: Between the United States, the richest nation in the world, and the Democratic Republic of Congo, the poorest nation in the world, which uses less gasoline per capita, the people in the United States or the people in the Democratic Republic of Congo??
A: the people in the Democratic Republic of Congo?

Question: Given the fact that: The greater the objects mass, the greater the force of gravitational attraction. Answer the question: John dropped a bowling ball and a tennis ball from the roof. Which ball would have the least gravitational pull bowling ball or or tennis ball.?
Answer: tennis ball.

*Question*
Given the fact that: The more cylinders a car engine has, the more powerful its engine can be. Answer the question: Does a car with a 4 cylinder engine have more power or less power than an 8 cylinder engine More or Less?
**Answer**
Less

(Q).
Given the fact that: The hotter a main sequence star is, the brighter it is. Answer the question: Stars that are colder are also dimmer or brighter?
(A).
dimmer