Helium, neon,nitrogen and argon
Answer:
1. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes.
2. On Earth, gamma waves are generated by nuclear explosions, lightning, and the less dramatic activity of radioactive decay.
3. Scientists can use gamma rays to determine the elements on other planets.
Explanation:
the explanation is above lol
Answer: B) Ten moles of sodium hydroxide and five moles of hydrogen gas will be produced
Explanation: Got it right on USATestPrep
Answer:
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