In order for a layer of rock to be considered a formation useable for relative dating, it must spread across a relatively large area that can be depicted on geologic map. Why is this important?

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1