What is albedo?
Flashcard: 2024 Bio Climate Change Causes & Effects

Flashcard
•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Albedo is the measure of how much light that hits a surface is reflected without being absorbed. It is expressed as a percentage.
2.
FLASHCARD QUESTION
Front
Which surface has the highest albedo?
Back
Ice and snow have the highest albedo, reflecting most of the sunlight that hits them.
3.
FLASHCARD QUESTION
Front
What is the relationship between carbon dioxide levels and climate change?
Back
Increased levels of carbon dioxide in the atmosphere contribute to the greenhouse effect, leading to global warming and climate change.
4.
FLASHCARD QUESTION
Front
What is a positive feedback loop in the context of climate change?
Back
A positive feedback loop amplifies changes; for example, melting ice reduces albedo, leading to more heat absorption and further ice melting.
5.
FLASHCARD QUESTION
Front
How do trees contribute to reducing carbon dioxide in the atmosphere?
Back
Trees absorb carbon dioxide during photosynthesis, helping to mitigate climate change.
6.
FLASHCARD QUESTION
Front
What are fossil fuels?
Back
Fossil fuels are natural substances formed from the remains of ancient plants and animals, used as energy sources (e.g., coal, oil, natural gas).
7.
FLASHCARD QUESTION
Front
What is the greenhouse effect?
Back
The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.
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