Q: The older a person is, the greater their chance of developing a cardiovascular disease. When someone gets older what happens to their heart stronger or weaker?
A: weaker

Q: Different types of rocks weather at different rates. More resistant types of rocks will remain longer. A piece of granite is less resistant than soapstone therefore it will last longer or shorter?
A: shorter

Q: The pupil automatically gets bigger or smaller to let more or less light in as needed. Your pupils will decrease or increase in size if you need more light to see?
A: increase

Q: When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth. When astronomers noticed a halving of Sun spot activity, did they predict that the Earth's temperature would increase or decrease??
A: decrease?