Hack BCC Environmental Activity

Which of the following gases is considered a primary greenhouse gas contributing to climate change?

• Nitrogen

• Oxygen

• Carbon dioxide

• Helium

What is “deforestation”?

• The creation of new forests in urban areas

• The clearing or removal of forests on a massive scale

• A natural increase in forest coverage over time

• Planting trees in deserts

The greenhouse effect is best described as:

• The trapping of oxygen in the atmosphere, making it hard to breathe

• The process by which certain gases in Earth’s atmosphere trap heat

• The reflection of sunlight by the polar ice caps

• The process of converting greenhouse gases into oxygen

Which of the following is a known consequence of global warming?

• Decreased sea levels worldwide

• A uniform global temperature

• More frequent extreme weather events

• Reduced average rainfall across all regions

Which human activity is widely recognized as a major contributor to climate change?

• Growing organic vegetables

• Recycling plastic bottles

• Burning fossil fuels for energy

• Practicing sustainable farming

An example of a renewable energy source is:

• Solar power

• Natural gas

• Nuclear energy

• Petroleum

One major effect of deforestation on the global ecosystem is:

• The immediate extinction of all wildlife species

• A reduction in carbon sequestration, leading to higher CO2 levels

• Improved soil quality in cleared areas

• Decreased air pollution in cities