How does the greenhouse effect help sustain life on Earth?
Understand the Problem
The question is asking about the role of the greenhouse effect in sustaining life on Earth. It presents multiple-choice options regarding its impact, highlighting the correct understanding of the greenhouse effect's function.
Answer
It keeps Earth warm enough to support life.
The greenhouse effect helps sustain life on Earth by keeping it warm enough to support life.
Answer for screen readers
The greenhouse effect helps sustain life on Earth by keeping it warm enough to support life.
More Information
The greenhouse effect traps some of the Sun’s heat, preventing it from escaping into space, which keeps Earth at a liveable temperature for sustaining various forms of life.
Tips
A common mistake is thinking the greenhouse effect directly absorbs sunlight. It actually involves trapping heat that is re-radiated from the Earth's surface.
Sources
- The greenhouse effect - British Geological Survey - bgs.ac.uk
- Greenhouse Effect 101 - NRDC - nrdc.org
- What Is the Greenhouse Effect? | NASA Climate Kids - climatekids.nasa.gov
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