Presentation

What is the main cause of air

pollution in urban areas?

• volcanic

  eruptions

• mold spores

• industrial

  emissions

• wildfires

Which of the following is a

non-renewable resource?

• lumber

• natural gas

• water

• geothermal energy

What is the primary greenhouse gas

responsible for global warming?

• nitrogen

• oxygen

• methane

• carbon dioxide

What is the process of

cutting down all trees

in a forest called?

• reforestation

• deforestation

• conservation

• afforestation

What is the main source of water

pollution caused by human activity?

• agricultural waste

• household wastewater

• industrial waste

• all the above

What is the term for the loss of a

species from a particular habitat

or from the entire planet?

• extinction

• endangered

• migration

• adaptation

What is the primary cause

of soil erosion?

• deforestation

• volcanic activity

• natural weathering

• poor land management