The answer is A. Table salt is a pure substance.
Its D because
Li = 6
Be =9
C= 12
O=15
Answer:
The importance of significant figures
As stated before, it is important within the science fields that you are not more precise or accurate than the least accurate or precise number. In science, it is generally agreed upon that the last number digit in any figure is filled with uncertainty.
Explanation:
Answer:
no one can answer your question because you have shown no arrows.
