They used mostly antiaircraft guns and shot guns
Pearl Harbor as well as all other Navy bases have Marines assigned to them. The Infantry forces of both the US Army and the USMC have weapons which they can use against aircraft.
VAL Dive Bombers, KATE Torpedo Bombers, and ZERO Fighters.
because they did
Pearl Harbor was a naval and aerial base and was also used as training facility.
No
No nuclear weapons were used in the Japanese attack on Pearl Harbor on December 7, 1941 as such weapons did not exist and would not exist until July 1945 when the US built the first ones. The first use of a nuclear weapon in war was the US attack on Hiroshima on August 6, 1945; the bomb was a relatively simple and very inefficient (~1%) fast fission neutron chain reaction Uranium-235 (80% enrichment) gun bomb.
Pearl Harbor was an important naval base in the 1940s. It was a strategic point in Hawaii for the military to use.
The attack on Pearl Harbor mainly used aircraft bombs and torpedoes, not guns.
Pearl harbor was caused by America not sending oil and other supplies to Japan for fear they would use them against us!
pearl harbor
Honolulu, Hawaii