sentence2_structure: the energy<>used<>by living things$$$Most of the energy<>comes directly<>from the sun
sentence1: The teacher will review that all life is dependent upon sunlight and that living things interact with each other in diverse methods to acquire energy either directly from the sun or by consuming organisms that acquired energy from the sun.
sentence2: Most of the energy used by living things comes either directly or indirectly from the sun.
question: Most of the energy used by living things comes either directly or indirectly from where?