What are the two toxic byproducts of incomplete combustion? Select one:
a. oxygen, carbon monoxide
b. carbon, oxygen
c. water, carbon dioxide
d. carbon, carbon monoxide

Why doesn't heat added to water make the tempature rise above 100c

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?

Which fact represents evidence for the big bang theory?