<span>C. The stratosphere. About 90% of the ozone is in the stratosphere which begins about 8 miles above the Earth's surface.</span>
- Tornado in a bottle.
- Rainbow in a glass.
- Gooey slime.
- Pasta rocket.
- Homemade lava lamp.
- Instant ice.
- Ferromagnetic fluid.
- Baking soda volcano.
You can search them up for more information all of them are pretty easy to do and if you do it right there is not much that can go wrong.
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Explanation: