Hi! I can help you out.
RNA polymerase binds to regions of DNA called promoters, which are "start" signals for transcription
C.18
in middle school we are told the levels are 2,8,8 but once you reach high school, you find out the third level actaully can hokd up to 18.
Answer:
No harm upon ecosystems or the environment, prevention of any harmful contributions to air, water and land pollution.
