Which two energy transformations are taking place in this toaster? A. Mechanical energy - chemical energy
B. Electrical energy - electromagnetic energy
C. Electrical energy - thermal energy
D. Chemical energy - mechanical energy.

you must choose two options

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?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule