If an atom has 5 valence electrons it will form an ion with what charge.

Which organelles are involved in energy conversion

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

Are the earth's ocean floor and continents the same age geologically? why or why not?