Answer:
Several types of evidence supported Hess's theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.
Explanation:
Sea-floor spreading occurs when the sea floor spreads apart along divergent boundaries and forms the mid-ocean ridge. Magma is pushed up through cracks in the crust along the mid-ocean ridge. As the magma is thrust up and hardens it forms new crust and the ocean floor on both sides of the mid-ocean ridge move outward.
Answer: Compare the standard of living for the country you chose with that of the United States. Write this comparison in at least three to five sentences. HOPE THIS HELPS
Explanation:
A tectonic plates boundary where two plates move towards each other.i f two plates are of equal density they push up against each other and thus form a mountain,and if they are of unequal density then they will form a subduction zone
Most major cities there are on or near a coast, meaning the most people live along each coast.
