IB BIO HL Topic 4.4 Climate Change

Which gas makes up most of Earth's atmosphere

• oxygen

• carbon dioxide

• nitrogen

• carbon monoxide

What does the ozone layer do?

• protects Earth from UV rays

• protects Earth from IR rays

• reduces Global warming

• increases the Greenhouse effect

Which compound destroys the ozone layer

• CO2

• CBDs

• CH4

• CFCs

Which surface has the highest albedo?

• bare soil

• water

• fresh snow

• concrete

Which of the following are all Greenhouse gases?

• Carbon dioxide, nitrogen and oxygen

• carbon dioxide, methane and CFCs

• carbon dioxide, water vapour and sulphur dioxide

• carbon dioxide, CFCs and argon

Which of the following cause natural variations in the Earth's temperature

• rearing cattle and paddy rice farming

• the burning of fossil fuels in power stations and vehicles

• the enhanced Greenhouse effect

• sun spots, volcanic eruptions and the Earth's orbit

Where have some of the strongest and earliest impacts of global warming occurred?  

• in the tropics
• in the northern latitudes
• impacts of global warming are distributed equally all over the planet

Which of the following have been linked to climate change?  

• droughts
• flooding
• melting of polar ice caps
• all of the above

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere
• lower levels of nitrogen in the atmosphere
• higher levels of carbon dioxide in the atmosphere
• higher levels of oxygen in the atmosphere

Tags

NGSS.MS-ESS3-5

The two largest fuel sources are?

• wood and coal
• wood and natural gas
• oil and nuclear power
• coal and oil