The cdc reported secondhand smoke statistics for 2007-2008 in the united states: 60.5% of people living below the poverty level were exposed to secondhand smoke compared with 36.9% of people living at or above the poverty level. which of the following statements best summarizes this statistic?

The percentages summarize the statistics

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.