Which equation describes a parabola that opens up or down and whose vertex is at the point (h, v)? a. x = a(y - v)2 + h b. y = a(x - h)2 + v c. x = a(y - h)2 + v d. y = a(x - v)2 + h

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

I’m stuck on this question cuz i’m stupid sksksksk

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.