What are tiny cell structures that carry out specific functions within the cell?

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: