The correct answer to this question is:
“The prediction is useful because it explains what observations will be made if a hypothesis is true.”
The seeds she planted in the mud grew quicker because the mud is holding nutrition for the corn. The soil is a good guess to make, but the mud is more dense and moist. The water wouldn't have had more nutrients than the mud, just because the mud holds breakdown matter and other things from other plants.
Oxegyn comes from plants that aid in in well...living. Meat from live stock in animals that we use to feed ourselves. Sorry if it's not the answer you are looking for. :)
