Question: A train travels at a greater rate of speed while on tracks than while rolling over gravel. This means that the _____ creates more friction (A) tracks (B) gravel Do not use A and B to answer the question but instead, choose between "tracks" and "gravel".
gravel

Question: When hair is healthy the strands are thicker than when they are damaged, and therefore they are (A) weaker (B) stronger Do not use A and B to answer the question but instead, choose between "Healthy hair" and "Damaged hair".
Damaged hair

Question: Harold's jet ski travels less quickly through choppy water compared to calm water. The jet ski will ultimately cover a greater distance over (A) calm water (B) choppy water Do not use A and B to answer the question but instead, choose between "choppy water" and "calm water".
choppy water