Human Impact Review

What is the projected human population by the year 2100?

• 10 billion

• 15 billion

• 8 billion

• 12 billion

Which of the following cities is mentioned as no longer existing due to rising sea levels?

• Beijing

• London

• Tokyo

• Paris

What is the primary cause of increased greenhouse gases in the atmosphere?

• Volcanic eruptions

• Solar flares

• Deforestation

• Burning fossil fuels

What is a significant effect of climate change on weather patterns?

• Decreased global temperatures

• Uniform rainfall worldwide

• Complete cessation of the water cycle

• Some areas getting wetter and others drier

Which species is mentioned as endangered due to habitat loss?

• Polar bear

• Elephant

• Rhino

• Tiger

How does deforestation impact the planet?

• Improves soil fertility

• Increases oxygen levels

• Reduces carbon dioxide

• Destroys ecosystems

What role do forests play in the water cycle?

• Recycling fresh water

• Increasing desertification

• Polluting water sources

• Decreasing rainfall

What gives hope for the future of the environment?

• Increased reliance on fossil fuels

• Ignorance of environmental issues

• Actions to mitigate environmental damage

• Expansion of industrial activities