Unit 2, Lesson 3, Man and Climate

What can humans not change?

• The greenhouse gases

• The sun's radiation and earth's orbit

• Carbon dioxide

• Natural gas use

What can humans control?

• Earthquakes

• Rainfall

• Increase of greenhouse gases

• Sunlight

Who is responsible for the alarming rise in carbon dioxide?

• Animals

• Volcanoes

• Humans

• Oceans

When did the increase of carbon dioxide start?

• Last 10 years

• During the last hundred years

• Since ancient times

• Since 21st century

What is the main cause of increased CO₂ in the atmosphere?

• Tree plantation

• Rainfall

• Burning fossil fuels

• Solar panels

What began to increase rapidly at the end of the 19th century?

• Pollution

• Industrial activities

• Tree plantation

• Agricultural lands

What did factories need to run?

• Solar energy

• Wind energy

• Energy from coal

• Water

Which was not mentioned as an energy source in the text?

• Coal

• Mineral oil

• Natural gas

• Solar power

What is burned to heat houses and run vehicles?

• Wood

• Fossil fuels

• Electricity

• Plastic

Approximately how many barrels of crude oil are burned daily?

• 50 million

• 85 million

• 100 million

• 150 million