Answer 19.9g. I’ve took the test last week at my uncle randy’s house
Answer:
Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og)
Explanation:
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<span>Evaporation from the oceans is the primary mechanism supporting the surface-to-atmosphere portion of the water cycle</span>
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Answer : D
A water molecule can donate a proton to another water molecule, forming H3O⁺and OH⁻ in solution.
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