17. Answer the following question using complete sentences. Hector was doing some experiments with dragons. The dragons had two
variations of body color: green or gray. He noticed that sometimes when he
mated two dragons with green body color that some of the offspring had gray
body color. Explain how this could happen. (2 points)

Explain what happens at the saturation point when adding salt to water at room temperature.

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up