Question

the only substance that exists naturally in all three forms of matter is ____. carbon dioxide hydrogen peroxide sulfur water

Explanation:

Water can exist as a solid (ice), liquid (water), and gas (water - vapor) naturally. Carbon dioxide can sublimate but is not as commonly found in all three forms as water. Hydrogen peroxide mainly exists as a liquid under normal conditions. Sulfur has different solid forms and can be vaporized under high - temperature conditions but is not the most well - known substance to exist in all three forms naturally.

Answer:

D. water