What is the principal ore from which aluminum metal is commercially extracted?

More Everyday Science MCQs

• What process powers the Sun and other stars?
• A light-year is a unit used to measure:
• Which planet in our solar system has the most extensive and visible ring system?
• What causes the occurrence of solar eclipses on Earth?
• Which astronomical object was reclassified as a ‘dwarf planet’ by the IAU in 2006?