TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Low energy causes waves to bring sand up onto the beach during summers.

SOLUTION: What causes waves to bring sand up onto the beach during summers?

PROBLEM: Compression zones is the opposite of rarefaction zones, where air molecules in waves are loosely packed.

SOLUTION: What is the opposite of rarefaction zones, where air molecules in waves are loosely packed?

PROBLEM: As it passes to the next level, most of the energy in a trophic level it is lost.

SOLUTION:
What happens to most of the energy in a trophic level as it passes to the next higher level?