Tina is singing a song. at a certain point in the song, she forces a large volume of air out of the glottis and at the same time increases the tension on her vocal cords. the sound that she produces is

Water pollution cannot only affect the earth's water supply but it can also affect the soil true or false

There are two main levels of responsibility related to fitness and fire apparatus operations and preventing injuries and line of duty deaths. the first level involves personal responsibility. the second level involves

The dietary guidelines for americans recommend (a) avoiding smoking. (b) engaging in aerobic exercise for 60 minutes at least five days a week. (c) making all of your grain choices whole grains. (d) increasing your intake of fruits and vegetables.