If the pitcher holding the ball that mean if it doesn't have any motion so it has Potential energy in that case.
But in other case if the pitcher throwing or catching the ball it means the ball have motion so it has Kinetic energy.
Answer:
D) Majority; unvaccinated
Explanation:
Herd immunity is a form of immunity that occurs when the vaccination of a significant portion of a population (or herd) provides a measure of protection for individuals who have not developed immunity
"Expectancy-value theory". This theory is based upon what a specific person values determines their motivation.