Question

1. long underwater mountain ranges that are rifts of volcanic activity are called:

o continental shelves
o ocean ridges
o tectonic plates
o surface zones

Explanation:

Ocean ridges are long - underwater mountain ranges formed by volcanic activity at rifts where tectonic plates diverge. Continental shelves are the gently - sloping submerged edges of continents. Tectonic plates are large slabs of the Earth's lithosphere. Surface zones are general areas on the Earth's surface and not specific to underwater mountain ranges from volcanic rifts.

Answer:

B. Ocean Ridges