Hope now wants to describe the gases by using a list. See her partial list below. 1. Oxygen 2. Helps living things produce energy 3. Helps protect living things from harmful rays of the sun 4. Nitrogen 5. Part of the muscles and organs of living things 6. Part of substances that make living things function She wants to use a different level for the uses of the gases. What can Hope do to change the numbers 2, 3, 5, and 6 to lowercase letters? Press the Space bar. Use the Tab key. Click the Sort option. Use the Multilevel List icon.