Petroleum and are two fossil fuels formed under an impermeable rock. what is the second fossil fuel?

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

Witch type of microscope is used to view very small cell components like proteins and dna?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere