The greenhouse effect
Lesson 4 / 7
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Lesson outcome
I can explain what causes Earth's greenhouse effect and why it affects global temperature.
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A gardener can use a greenhouse to keep plants warm.
A greenhouse maintains the optimal temperature range for the growth and survival of the plants.
A natural greenhouse effect maintains optimal temperature range for life on Earth.
Greenhouse gases in Earth’s atmosphere cause the natural greenhouse effect.
Human activities are increasing the amount of greenhouse gases in the atmosphere, increasing the greenhouse effect.
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