What is the Sahara Amazon desertification feedback loop?

Sahara Amazon Feedback Loop Dynamics

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

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A process where the Sahara Desert expands into the Amazon.
A cycle of deforestation in the Amazon affecting the Sahara.
A phenomenon where mineral dust from the Sahara affects the Amazon ecosystem.
A feedback loop where the Amazon rainforest turns into a desert.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is mineral dust transported from the Sahara Desert to the Amazon Rainforest?
Through animal migration.
By human intervention.
Via atmospheric circulation patterns.
By ocean currents.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What essential nutrients does the Sahara dust provide to the Amazon soil?
Sulfur and zinc.
Nitrogen and potassium.
Phosphorus and iron.
Calcium and magnesium.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the Amazon Rainforest soil considered nutrient-poor?
Because of human agricultural practices.
Due to excessive rainfall washing away nutrients.
Because of its sandy texture.
As a result of volcanic activity.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the Sahara dust impact plant growth in the Amazon?
It stunts plant growth.
It enhances plant growth.
It has no effect on plant growth.
It causes plant diseases.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does the Amazon Rainforest play in global climate regulation?
It increases global temperatures.
It has no significant impact on global climate.
It serves as a carbon sink, absorbing carbon dioxide.
It acts as a major source of carbon emissions.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does enhanced plant growth in the Amazon affect carbon dioxide levels?
It increases carbon dioxide levels.
It decreases carbon dioxide levels.
It has no effect on carbon dioxide levels.
It releases methane instead.
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