B.
The cynobacteria were already there without the oxygen, so that rules out A, and a lot of prokaryotes were anaerobic, so that rules out C. Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it. Therefore, it cannot be D. So, we are only left with B
Hoped this helped :D
Avegadro's number = 6.02 x10^23 atoms
so
3.5g x 1mol/63.55g Cu x 6.02 x 10^23/ 1mol=3.32 x 10^22 atoms
Answer:
False
Explanation:
At the end of the 1000 years, Satan will be released, defeated again, and then cast into the lake of fire (Revelation 20:7-10). Then, after a final judgment by God, the end of the world described in 2 Peter 3:10 occurs. The Bible tells us several things about this event.
It’ll cause an explosion because it contains lots of different chemicals & all of the chemicals mixed with fire would set off an explosion.
The atomic number of a neutral atom is equal to the number of protons and the number of electrons of the atom. The atomic weight meanwhile is equal to the sum of the number of protons and number of neutrons. In this case, the atomic number of the atom is 3 and the atomic mass is 7. Hence the element is Lithium, a metal
