(Q).
Read the passage below and choose the right answer to the following question (choices are younger or older ): Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger. As we dig less deep in the search for fossils the fossils get younger or older?
(A).
younger

(Q).
Read the passage below and choose the right answer to the following question (choices are decreases or increases ): Warming up exercises increases the blood flow to the muscles and increases the heart rate. Mel is running down the street for exercise. As Mel's heart rate increases, Mel's blood flow decreases or increases?
(A).
increases

(Q).
Read the passage below and choose the right answer to the following question (choices are thicker or thinner ): If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser. Penny added salt to her cup of water and noticed the water got thicker or thinner?
(A).
thicker