The Human Era Has an Official Start. It’s a Lake in Canada
Interactive Video
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Science
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11th Grade - University
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Hard
Wayground Content
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are reference points important in science?
They are used to predict future events.
They help in measuring abstract concepts.
They are used to store scientific data.
They are only used in geology.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes Crawford Lake a potential marker for the Anthropocene epoch?
Its location in a desert.
Its small size and depth.
Its proximity to a city.
Its unique sediment layers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the chemistry of Crawford Lake contribute to its significance?
It supports a diverse aquatic life.
It causes the lake to dry up in summer.
It allows for the formation of clear sediment layers.
It prevents any sediment from forming.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does oxygen play at the bottom of Crawford Lake?
It supports fish life.
It mixes the water layers.
It helps preserve the sediment layers.
It destroys the sediment layers.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence in Crawford Lake's sediment layers indicates human impact?
High levels of salt.
Traces of plutonium and fly ash.
Increased levels of calcium.
Presence of dinosaur fossils.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the Anthropocene epoch considered significant?
It marks the beginning of human civilization.
It is characterized by the extinction of dinosaurs.
It represents a period of significant human impact on Earth.
It is the longest epoch in Earth's history.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the current status of Crawford Lake as a reference point?
It is still under discussion.
It has been rejected.
It is officially recognized.
It is used for tourism purposes.
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