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. Compared to an obese person who has never exercised, would an Olympic sprinter in perfect condition be more likely to have a heart that can, with each beat, move more blood or less blood??
more blood

(Question)
The higher the pH value is, the stronger the base. If Jim decreases the pH value of his swimming pool, the base becomes stronger or weaker?
(Answer)
weaker

Ques: Water near shore generally has more dissolved nutrients than water farther from shore. Eric is swimming near shore. Tina is 100 meters out in the water. The water near Eric or Tina has more nutrients?
Ans: Eric

(Q).
Water density increases as salinity and pressure increase, or as temperature decreases. Shannon is swimming and wants to find the densest water to soak in. She will find water that has a pressure that is lower or higher?
(A).
higher

Ques:The more basic a solution is, the closer its pH value will be to 14. If Jim increases how basic his solution is, it means the solution proximity to pH 14 is decreased or increased?

Ans:increased

Ques: Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind. In tornadoes the greater differences in air pressure cause lesser or stronger winds?
Ans:
stronger