Achange that causes a reaction is a this is for science class . use the words to you and it is question number 4

What amino acid is coded for by this sequence after the mutation

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

Approximately how much solid waste do americans produce annually? a) 250 tons b) 250 thousand tons c) 250 million tons