What is the energy released when a chemical compound reacts to produce new compounds?

All of the following are part of the biosphere except

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?

Draw the structure for 5-isopropyl-2-methyl-3-nonene