IGCSE Geography 3.7 Environment and economy.

Which is not a consequence of global warming

• Melting of ice caps

• El Niño becomes more intense

• Trees become stunted in the far north.

• Oceans become more acidic.

Which picture best shows The Greenhouse Effect?

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Dry deposition is:

• Sand and dust falling from a storm

• The direct uptake by the ground of pollutants without precipitation.

• Acid rain, fog, mist and snow

• able to travel further than wet deposition.

Soil erosion. What percentage of the Earth's land has been degraded?

• 13%

• 17%

• 56%

• 15%

How long does it take for 25mm of soil to be replaced?

• 5000 years

• 50 years

• 15 weeks

• 500 years.

Deforestation. What are three ways to combat deforestation? Watch the video and then answer!

https://www.youtube.com/watch?v=Ic-J6hcSKa8

• Shower once a day, avoid eating avocados and stop driving.

• reycle plastic, turn off the tap when brushing teeth and eat more chicken.

• Increase livestock, use fuelwood and eat less.

• Eliminating clear cutting, managing forest resources and planting trees.

How can dust storm severity be increased by humans?

• Overgrazing.

• Overcultivation.

• Driving too fast.

• Removal of vegetation

What is this picture showing?

• Ice caps melting

• Coral bleaching

• Ocean acidification?

• The gulf stream

Which degraded environment is this?

• The Great Barrier Reef, Australia

• Portugal's Atlantic coast.

• The Mississippi Delta.

• The Niger Delta

Landfill serious consequences. Select the correct answers

• More clouds are created.

• Large areas of land are needed to accomodate the waste.

• Biodegradeable waste rots and creates methane, a greenhouse gas.

• More wasps in the world.