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Answer:
All acids contain hydrogen. On reacting with metals, all acids produce hydrogen gas. All acids produce hydrogen ions in water.
Explanation:
Answer:B, universe, galaxy, solar system, earth
Explanation:
A p e x
Dehydration? I think that’s it.
Answer:
5,878,625,370,000 miles or 5.87 Trillion miles
Explanation:
The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km).