According to my examination I have confirmed that I do NOT repeat do NOT know the answer to this question. Good luck!
Answer:
it's a noun
Explanation:
you need to have a noun to have a verb or an acting verb
I would have to choose option 2
NaF is not covalent, but ionic, as Na and F are on opposite sides of the periodic table.
Answer:
3. Reasoning, evidence, and support.
Explanation:
In order to evaluate the claim, you need to see how they back up that claim. if they don't back it up, if they can't support it, you can't trust it.