What is the difference between primary sources and secondary sources? And give examples of some primary and secondary sources.

A primary source is like for an example back in time(you weren't alive) someone wrote a letter or a manuscript because that person was there when that happen.

Then a secondary source is when you are now alive and you find that letter or manuscript then you read it and you understand it but you weren't there when it happend.

 A primary source is like for an example back in time(you weren't alive) someone wrote a letter or a manuscript because that person was there when that happen.Then a secondary source is when you are now alive and you find that letter or manuscript then you read it and you understand it but you weren't there when it happend.

Explanation:

i believe the answer is d. it was not uncommon for people to faint or even convulse at these high-energy meetings.

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.