This is for anyone who’s good with science coz I absolutely hate it. ILL BRAINLIST U AND GIVE U 5 STAR TO WHOEVER IS GOOD;) be specific and use ur own words please! thankyou. and good luck LOL. conclusions:

The burning candle is an example of a combustion reaction.
a) What do all combustion reactions require?
b) What do all combustion reactions produce?
c) Write a general word equation for the combustion reaction.

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?