Water is the life source for all plants and animals,so without it there would be no life on earth
C is the correct answer, the sun supplies energy to plant using photosynthesis, plants are eaten by humans/animals, and decompose-rs can decompose anything that is dead... hope that answer helped. C is the correct answer
I would say that the water vapor condensing to form water droplets would be the odd reaction because the other three are all to do with the reaction of water with metal, between its constituents hydrogen and oxygen and to cause the creation of a gas from the candy.