Question: You are presented with the quiz " Earth 's tilt on its rotating axis causes changes in what"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earth 's tilt on its rotating axis causes seasons to change" and "weather changes from season to season".   So, what's the best answer to the question?
Answer: weather

Question: You are presented with the quiz "What do aquatic animals breathe with?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "gills are used for breathing water by aquatic animals" and "fish gills take oxygen from the water as it passes over the gills".   So, what's the best answer to the question?
Answer: gills

Question: You are presented with the quiz "Animals use saturated fatty acids to become what?"   But you don't know the answer, so you turn to your teacher to ask for hints. He says that "animals use saturated fatty acids to store energy" and "potential energy is energy stored".   So, what's the best answer to the question?
Answer:
potential energy