Suppose that there is a mutation in the lac operon that prevents the repressor from binding to the operator. In the absence of lactose (or allolactose), the genes of the operon will be . In the presence of lactose (or allolactose), the genes will be .

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

burning fossil fouls really decrease the carbon in the atmosphere so b