is a collective human effort to comprehend, or better understand, the history of the natural world and how it works, through physical evidence collected via observations.

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

What molecule contains an organisms genetic material, passed down from parents to their offspring

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna