Which two structures produce energy that cells can use?

What is the relationship between absorbance of light and the rate of photosynthesis?

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

An infection of the pulp and the surrounding tissue in the mouth is called