A power plant that burn coal is taken advantage of waters A. significant expansion during boiling
B. polar molecular natrue
C. capacity to cool burning coal.
D. high specific heat

Iknow #2 is d. i just need to know why

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

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?