Although not explicity mentioned in the qur'an, what are considered the 5 pillars of islam for sunni muslims? (85-90% of muslims) choose all answers that apply: (choice a) a giving a percentage of one's wealth to the poor or needy (choice b) b refraining from drinking alcohol (choice c) c declaring and believing that "there is no god but god" and "muhammad is god's messenger" (choice d) d not eating pork (choice e) e pilgrimmage to mecca (choice f) f praying five times a day (choice g) g fasting during the holy month of ramadan