Exploring Climate Change with Bill Nye

What was Los Angeles covered with 800 million years ago?

• Smog and development deals

• Miles of ice and snow

• Desert sand

• Lush forests

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What does the ice core from Greenland help scientists determine?

• The age of the Earth

• The speed of glaciers

• The depth of the ocean

• The composition of the atmosphere in the past

How do bubbles in ice cores provide information about past atmospheres?

• They contain ancient water

• They trap air from the time the snow became ice

• They change color over time

• They reflect sunlight

What is the primary cause of the greenhouse effect?

• Volcanic eruptions

• Deforestation

• Solar flares

• Greenhouse gases trapping heat

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Which gas is NOT considered a greenhouse gas?

• Chlorofluorocarbons

• Carbon dioxide

• Oxygen

• Methane

What is the significance of the Northwest Passage in the context of global warming?

• It will be used for space travel

• It will become a desert

• It will remain frozen forever

• It may become navigable due to melting ice

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Why does floating Arctic ice not contribute to rising sea levels?

• It melts into the atmosphere

• It is too small to matter

• It displaces as much water as it weighs

• It evaporates before melting

What is a major effect of thermal expansion of the oceans?

• Formation of new islands

• Decreased salinity

• Rising sea levels

• Increased fish population

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Which species are more likely to survive rapid global warming?

• Species that live in cold climates

• Species that are already endangered

• Species that can adapt quickly

• Species with specialized habitats

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What is one action individuals can take to help mitigate global warming?

• Cut down more trees

• Use more fossil fuels

• Drive less and use efficient cars

• Increase plastic usage