chapter 9 MC questions

a long underwater mountain range in the Atlantic Ocean

the deepest part of the ocean

an ecosystem with diverse animals

an oceanic plate in the Indian Ocean

a volcanic eruption underwater

an underwater volcano

deep-sea geysers that release extremely hot water and minerals into the ocean

a crack in the Earth's crust

they are causing damage to our ecosystem

they provide energy for humans to use

they can help scientists understand plate tectonics

they can discover unique animals

they receive more sunlight than other animals

they live in a very cold environment

there is a lot of pressure deep underwater

they live in water

a vehicle to go underwater in

the largest mountain range in the world

a unique underwater animal

a narrow deep valley where the seafloor dips down

it takes a long time to reach the bottom of the trench

it is pitch black

the water pressure is very high

there are deadly animals and plants