Why does the tail appear when a comet nears the sun? A. The sun's magnetic force lights up the comet. B. The sun's gravitational force lights up the comet. C. The sun's light reflects off the gas and dust of the comet. D. The sun's energy burns up the comet.

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.