You are presented with the quiz "What could cause lenses to fog?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "water vapor cooling causes that water vapor to condense" and "all lenses are anti-fog coated to eliminate condensation".   So, what's the best answer to the question?

Answer: Water vapor cooling


You are presented with the quiz "What attracts pollinators to the flower?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "petals attract pollinators to the flower" and "petals are great for potpourri or for making rose petal jelly".   So, what's the best answer to the question?

Answer: something great for potpourri


You are presented with the quiz "what does a river deposit into flood plains when it floods?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when a river floods , that river deposits soil in flood plains" and "soils are largely composed of silicate minerals".   So, what's the best answer to the question?

Answer: