Acertain group of plants have spongy roots, which allow the exchange of gases to and from the atmosphere. what are the group of plants and the type of roots known as?

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