A theory is not proved yet, is based on hypotesis; a scientific law is something that has already bean proved scientifically
Answer: The mass number is 13
Explanation:
Mass number = Protrons + neutrons;
While Atomic number = Number of neutrons
Therefore, if the atomic number of nitrogen is given as 7, then its Protrons = 7
So, mass number = 7 + 6 = 13
Soil contains of minerals(solid), moisture(liquid), oxygen (gas), and many other components. So it is a mixture of <span>b. solids, liquids, and gases</span>
I think C, correct me if I’m wrong.
How your teeth are shaped and formed
