The most common type of fluoride found in toothpaste is part of the compound sodium fluoride which has the chemical formula NaF
Cool liquid from 314 K to 273 K, freeze liquid at 273 K, and cool solid to 263 K.
Answer:
I screenshot and expained here
https://screenshot.best/A7QIKV.lnk
Explanation:
Answer: sorry i dont knowExplanation:
Answer:
His map of the ocean floor did not support his theory
Explanation:
- Alfred Wegner was a great scientist
- He observed the plate tectonics of earth and described it in a theory.
- It was dismissed after viewing his ocean floor
