5 Questions
What is the main cause of most of the climate changes in Earth's history?
Very small variations in Earth’s orbit that change the amount of solar energy our planet receives.
When did the modern climate era and human civilization begin?
About 11,700 years ago, at the end of the last ice age.
How is the current warming trend different from previous climate changes?
It is clearly the result of human activities since the mid-1800s and is proceeding at a rate not seen over many recent millennia.
What has caused the current warming trend according to the text?
Human activities producing atmospheric gases that have trapped more of the Sun’s energy in the Earth system.
What are some of the areas that have experienced widespread and rapid changes due to the extra energy in the Earth system?
Atmosphere, ocean, cryosphere, and biosphere.
Test your knowledge of Earth's climate history and the factors influencing its changes with this quiz. Explore the cycles of ice ages, warmer periods, and the impact of variations in Earth's orbit on the climate.
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