Human Impact on the Environment

What can be a source of nitrates for eutrophication in rivers?

• fertilisers

• plastic bottles

• paper

• sewage

In eutrophication, what directly causes the death of fish?

• The plants use up oxygen in respiration

• The fish are poisoned by high CO₂ levels

• Bacteria use up oxygen in respiration

• The fish use up oxygen in respiration

The main human activity that releases greenhouse gases is...

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

T/F: Water vapor is a greenhouse gas

• True
• False

What results from livestock and other agricultural practices and by the decay of organic waste in municipal solid waste landfills?

• Carbon Dioxide

• Methane

• Water Vapor

• Fluorinated Gases

• Nitrous Oxide

Which of the following are greenhouse gases?

• Carbon dioxide
• Methane
• Water vapor
• All answers are correct

Which of the following gases are main contributors to acid rain?

• Carbon dioxide and carbon monoxide

• Sulphur dioxide and carbon dioxide

• Sulphur dioxide and nitrogen oxides

• Nitrogen oxides and carbon monoxide

Problem caused by increased levels of CFC's in the atmosphere

• global warming

• thermal pollution 

• greenhouse effect

• ozone depletion

Which of the following issues is the cause of the other environmental impacts caused by humans?

• pollution

• human population growth

• climate change

• habitat destruction 

Conservation is the act of conserving, or protecting the environment, plants, and animals. What are some things you can do to help conserve our environment? 

• leave water on, leave TV on, run dishwasher with 1 plate

• run the washing machine with 1 shirt

• leave the refrigerator door open

• turn off water, turn off lights, turn off TV