Rust on a rock that contains iron
Mineral absorbs water and changes into a new substance
Answer: Helium is an type of air that can be used to inflate balloons, balls, and other things that require air. The carbon dioxide we breath out is similar to this helium.
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Intelligence is the ability to acquire and apply knowledge and skills. Intelligence is acquired by learning things over time, mostly influenced by learning from experience over time.
It's acidic and has many more hydrogen ions than hydroxyl ions
