On the issue of global warning, many Americans Group of answer choices do not believe that it is caused by human actions. believe that it is caused by the government. do not believe it is occurring. do not believe it is occurring and do not believe that it is caused by human actions. do not believe that it is caused by human actions and believe that it is caused by the government.With a progressive tax Group of answer choices people with higher incomes pay taxes at a higher percentage rate. tax rates increase by a set percentage every year. all taxpayers pay taxes at the same percentage rate. the tax burden consists mostly of property and sales taxes. people with higher incomes pay taxes at a lower percentage rate