About ….. of the earth’s crust is composed of Aluminum? A) 10 % B) 12.8 % C) 8.2 % D) 6 % Related MCQs: The most important ore of Aluminum is? Diamond is composed of a single element? The tune of the national anthem of Pakistan was composed by? The great book “Al-Itqan Fi Uloom al-Quran ” was composed by: