Use information from the paragraph to answer the question. Paragraph : When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction. Question: Compared to an Olympic sprinter in perfect condition, would an obese person who has never exercised be more likely to have a heart that can, with each beat, move more blood or less blood??
less blood?

Use information from the paragraph to answer the question. Paragraph : When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter. Question: Derek felt warm as he stood in the sun, and since his body was heating up, he knew that his blood vessels in his skin were expanding or contracting?
expanding

Q: Use information from the paragraph to answer the question. Paragraph : Longer wires have more resistance than shorter wires. Question: If a wire were to be doubled in length, it would have more or less resistance than the original length wire?
A: more

Question: Use information from the paragraph to answer the question. Paragraph : For a given medium, sound has a slower speed at lower temperatures. Question: If Jim turns the thermostat down in his room while listening to music, what will happen to the speed of the sound waves in the room they will speed up or they will slow down?
Answer: they will slow down

*Question*
Use information from the paragraph to answer the question. Paragraph : For example, more people on the Earth means more people contributing to global warming and pollution. Question: What will happen to the levels of pollution on Earth if the population decreases they will rise or they will fall?
**Answer**
they will fall

(Q).
Use information from the paragraph to answer the question. Paragraph : Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs. Question: As a balloon deflates there is more or less air pressure forcing air out?
(A).
more