Answer:
1.d = 2.70 g/mL
2.d = 13.6 g/mL
4.d = 1896 g / 212.52 cm3 = 8.9 g/cm3
Explanation:If this helped subscribe to Amiredagoat Yt
<span>FIXATION.In the nitrogen cycle, nitrogen is converted into many chemical forms through biological and physical processes like nitrogen fixation, ammonification, nitrification and denitrification.During ammonification, ammonium ions are released after decomposition of plants.During nitrogen fixation, nitrogen gas is changed to nitrates by nitrogen fixing bacteria in the soil.These are used by vegetation.</span>
Answer: B- Isotopes are often used for dating artifacts and fossils is incorrect.
Explanation: I hope that helped
1. 2 protons, 1 neutron
2. 2 protons, 2 neutrons
3. 12 protons, 12 neutrons
4. 12 protons, 13 neutrons
5. 22 protons, 26 neutrons
6. 35 protons, 44 neutrons
7. 78 protons, 117 neutrons
I think it is a because it’s the closet so yeah