premise: a body of water contains water sent2: the volume of a substance describes the amount of that substance sent3: water is a kind of matter sent4: irrigation causes water levels to decrease sent5: as the amount of water in a body of water decreases , the water levels will decrease sent6: volume is a property of matter sent7: matter is a kind of substance sent8: a lake is a kind of body of water.
hypothesis: the campfire transfers heat through waves in the process of radiation