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chapter 9 MC questions
By Jerilyn Lambert
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Last updated about 3 years ago
9 questions
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Question 1
1.
Question 2
2.
__________ is the process of oceanic plates moving apart very slowly.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
What is the Mid-Atlantic Ridge?
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
Which is the most volcanically active mountain range in the world?
valleys
mid-ocean ridges
Grand Canyon
Andes Mountains
What are hydrothermal vents?
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
Why are scientists interested in hydrothermal vents?
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
Why do you think animals of the deep sea hydrothermal vents are so different from the animals that live elsewhere on the planet?
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
Seamounts are very easy for scientists to study
True
False
What is an ocean trench?
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
What is NOT a reason people have trouble going to the bottom of the Mariana Trench?
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