1. how old is the earth?
- she ma olbidado
- 6000 years
- 4.5 billion years
- i dunno now
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Other questions in this quiz
2. what is the form and shape of pillow lavas?
- pillow and bulbous shape(rounded structures)
- bulbous shape(hexagonal structures)
- rectangular structures
3. how was the solar system formed?
- formed by accretion of material
- Giant molecular cloud of gas and dust which collapsed under gravity
- by gaaaawwwdddd
4. why are ophiolite suites trapped within the mountain fold?
- because segments of the oceanic crust may be broken at the subduction zone
- because segments of the continentall crust may be broken at the subduction zone
5. what is the average density of the oceanic crust?
- 2.7 gm/cm3
- 2.9 gm/cm3
- 3.0 gm/cm3
- 2.89 gm/cm3