Circles represent females and squares represent males on a pedigree. How many individuals in the second generation express the trait being studied on the pedigree below? * A. one male and one female
B. one male
C. two males and two females
D. three males and one female

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When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.