The leaders who spread Islam after Muhammad's death were Abu Bakr, Umar, Uthman, and Ali. If you want the answer from a website, I suggest going here
--> http://peopleof.oureverydaylife.com/led-islamic-world-after-muhammad-died-7743.html <-- I hope this answer helps you.
The Battle of Britain was a major air campaign fought over southern England in the summer and autumn of 1940. ... The Battle of Britain was ultimately a test of strength between the German Air Force (Luftwaffe) and the RAF. The RAF had become an independent branch of the British armed forces in 1918.
The Plumbers were connected to Nixon during his second term <span>term in office which almost ended up as the Pentagon Papers leaking.</span>
B is the most accurate because it is about gravity, and the moons influence on tides.
A has to do with plate tectonics, C has to do with lunar cycles and orbit, and D has to do with a misconception, because the moon does rotate but only slowly.