What is a hallocline, as described in the video?

Environmental Issues in the Yucatan

Interactive Video
•
Science, Geography
•
9th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A layer where salty seawater meets freshwater
A type of underwater cave
A dangerous marine animal
A diving technique
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the narrator's expedition more than just exploration?
It aims to discover new marine species
It focuses on mapping underwater caves
It is crucial for understanding freshwater sources in the Yucatan
It is a training exercise for new divers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main risk mentioned about diving in the cave?
Disorientation due to the hallocline
Strong underwater currents
Dangerous marine life
Lack of oxygen supply
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of freshwater for the Yucatan, according to the video?
Rivers
Rainwater
Lakes
Cenotes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What environmental issue is highlighted in the video?
Overfishing
Deforestation
Pollution from oil and other contaminants
Climate change
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the water system in the Yucatan become contaminated?
By industrial waste
From human waste and pollutants
Through natural disasters
Due to agricultural runoff
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