What gas in Earth's atmosphere absorbs most of the damaging high-energy ultraviolet radiation from the Sun?
Weekly Review - Life on Earth

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Ozone layer.
2.
FLASHCARD QUESTION
Front
What is the area that deflects and traps harmful particles due to the interaction between Earth's magnetic field and solar winds?
Back
Magnetosphere.
3.
FLASHCARD QUESTION
Front
What are the reasons that life exists on Earth?
Back
Distance from the Sun, presence of an atmosphere and magnetic field, and liquid water.
4.
FLASHCARD QUESTION
Front
If the Earth were any closer to the Sun, how would conditions for life on Earth change?
Back
The conditions would be too hot to support life.
5.
FLASHCARD QUESTION
Front
What percentage of Earth is covered with water?
Back
75%.
6.
FLASHCARD QUESTION
Front
What is the role of the atmosphere in supporting life on Earth?
Back
It provides essential gases like oxygen and carbon dioxide, and protects from harmful solar radiation.
7.
FLASHCARD QUESTION
Front
What is the significance of liquid water for life on Earth?
Back
Liquid water is essential for all known forms of life; it serves as a solvent and is crucial for biochemical reactions.
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