A Circular Coral Reef That Forms a Ring of Island

Q36: Atolls are volcanic peaks on the ocean

Q37: A/an _ _ is an open-mouthed steel

Q38: The flattest surfaces on Earth are _.<br>A)

Q39: The part of oceanic crust made up

Q40: A/an _ is a submarine mountain that

Q44: Modern sea-floor maps are made with _

Q45: Oceans do not affect global climate.

Q46: An active continental margin forms:<br>A) at mid-ocean

Q47: The _ _ emits a high-energy signal

Q77: Oceanic crust is _ than continental crust