Can someone please give me some main ideas for a scientific story? It has to be at least 500 words and I'm not sure what to write about. Please help

Which of these statements are true about scientific theories and hypothesis

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?