The answer is that there are 6 electrons, 8 neutrons, and 6 protons in carbon 14. The answer is then, B.
Answer:
The change in the mass of box = 0.01 kg
Volume of air in the polythene bag = Volume of air in the rigid box
Therefore, Volume of air in the box = 0.008 m^3
Now, Density = Mass/ Volume
=> Density = 0.01 / 0.008 = 1.25 Kg / m^3
Explanation:
I looked it up
120 minutes=2 hours
20/2= 10mph