A certain quantity of gas occupies a volume of 0. 1 l.

What action will reduce the risk of energy on a motorcycle

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories. if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?