What percent of the trees cut down are used for something other than paper? a. 35% b. 45% c. 55% d. 65%

The cluster of developing cells from conception until birth is called an

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome