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  • Question
  • Quartz composed of which two elements


  • Options
  • A. Iron and magnesium
  • B. Iron and oxygen
  • C. Oxygen and silicon
  • D. Silicon and iron

  • Correct Answer
  • Oxygen and silicon 


  • World Geography problems


    Search Results


    • 1. Which of the following layers of the earth is believed to have the heavist mineral materials of highest density

    • Options
    • A. Central core
    • B. Crust
    • C. Mantle
    • D. Both (B) and (C)
    • Discuss
    • 2. Which is the closest star to Earth

    • Options
    • A. Sirius
    • B. Sun
    • C. Rigel
    • D. Deneb
    • Discuss
    • 3. Which of the following is the farthest planet to the Sun

    • Options
    • A. Mars
    • B. Jupitar
    • C. Neptune
    • D. Earth
    • Discuss
    • 4. What is the Capital city of Peru?

    • Options
    • A. Sucre
    • B. Manama
    • C. Lima
    • D. Bogota
    • Discuss
    • 5. In which city was Ariana Grande performing in when her concert was hit by a terrorist attack in May 2017?

    • Options
    • A. Manchester
    • B. Birmingham
    • C. Liverpool
    • D. London
    • Discuss
    • 6. An instrusion of magma along a bedding plane is called a

    • Options
    • A. Dyke
    • B. Still
    • C. Batholith
    • D. Laccolith
    • Discuss
    • 7. A weathering process in which layers of rocks peel off as expansion alternates with contraction , is known as ___

    • Options
    • A. Shattering
    • B. Block seperation
    • C. Granular disintegration
    • D. Exfoliation
    • Discuss
    • 8. A landform developed by the process of deposition occurring towards the centre of intermontane basins in arid or semi-arid regions is known as _________

    • Options
    • A. Pediment
    • B. Bajada
    • C. Playa
    • D. Peneplain
    • Discuss
    • 9. Tides in the sea are caused by

    • Options
    • A. Effect of Sun
    • B. Effect of Moon
    • C. Combined effect of Moon and Sun
    • D. Gravitational Force of Earth and Sun
    • Discuss
    • 10. Coral reefs are formed by _____

    • Options
    • A. volcanic rocks
    • B. marine sediments
    • C. chlorine material precipitated from sea water
    • D. tiny colonial marine animals which construct limestone skeleton material
    • Discuss


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