Multiple choice

Which of the following is correct about the concept of the sea floor spreading?

  1. Hess argued that constant eruptions at the crest of oceanic ridges causes the rupture of the oceanic crust and the new lava wedges into it, pushing the oceanic crust on either side.

  2. The ocean floor that gets pushed due to volcanic eruptions at the crest, sinks down at the oceanic trenches and gets consumed.

  3. The younger age of the oceanic crust and the spreading of one ocean causes the shrinking of the other.

  4. Options 1 and 2

  5. All of the above options

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The statements given in option 1 and 2 are correct about the concept of sea floor spreading as argued by Hess. Thus, this is the correct answer.