A 2.00x10^2-g sample of water at 80.8°C is mixed with 2.00x10^2g of water at 10.0°C Assume that there is no heat loss to the surroundings. What is the final temrperature of the mixture?

i would think it's food chain

in most common fires, oxygen is needed for an oxidation reaction to takes place. the combination of oxygen with any element as fuel can create fire and combustion will occur especially if wood, light materials and other combustible things are combine with oxygen.