Select the reasons why crusaders joined the fight. 1.to learn about Islam 2.adventure 3.wealth 4.religious self-determination 5.political advancement 6.gain control of Jerusalem from the Turks

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste