Climate Change and Environmental Impact

The video explores global warming, its causes, and effects on the environment, including climate change and ice melting. It discusses the greenhouse effect, deforestation, and fossil fuel usage as primary causes. The video also covers the ozone layer's depletion due to CFCs and the harmful effects of UV rays. It emphasizes the importance of individual actions like energy saving and recycling to combat these issues.

What is the primary cause of the rising average temperature on Earth?

• Global warming

• Increased solar activity

• Volcanic eruptions

• Ocean currents

What is a simple action individuals can take to help reduce global warming?

• Increase food waste

• Use energy-saving light bulbs

• Cut down more trees

• Drive more gasoline cars

Which human activity is a major contributor to the greenhouse effect?

• Burning fossil fuels

• Using solar panels

• Planting trees

• Recycling waste

What is a significant effect of the greenhouse gases released by human activities?

• Trapping of heat in the atmosphere

• Cooling of the Earth's surface

• Decrease in carbon dioxide levels

• Increase in oxygen levels

What is one of the natural causes of climate change?

• Industrial pollution

• Variations in Earth's orbit

• Deforestation

• Burning fossil fuels

Which of the following is a potential impact of climate change on biodiversity?

• Increase in species diversity

• Stability of ecosystems

• Decline in biodiversity

• Expansion of polar habitats

What would be a direct consequence of all ice melting on Earth?

• Decrease in global sea levels

• Increase in polar bear population

• Increase in global sea levels

• Stabilization of global temperatures

What percentage of the world's freshwater supply is stored in the ice of Greenland and Antarctica?

• 50%

• 69%

• 30%

• 80%

What is the primary function of the ozone layer?

• To protect Earth from harmful UV rays

• To increase Earth's temperature

• To trap heat from the sun

• To support plant growth

What is a consequence of the depletion of the ozone layer?

• Decrease in global temperatures

• Higher risk of skin cancer

• Increased protection from UV rays

• Increase in plant growth