environment

Which gas is responsible for global warming? a) Carbon dioxide. b) Oxygen. c) Hydrogen.

What do you call renewable safe sources of energy? a) Alternative energies. b) Bio-energies. c) Solar energies.

What type of shopping bag is more eco-friendly? a) Paper. b) Plastic. c) Neither

What do you call the processing of used materials and their reuse? a) Recycling. b) Reusing. c) Reprocessing.

What are some of the consequences of deforestation? a) Loss of habitats. b) Soil erosion. c) Both.

Which layer protects the Earth from UV rays? a) Oxygen. b) Nitrogen. c) Ozone.

What is the most used renewable energy source in the world? a) Hydro energy. b) Solar energy. c) Wind energy.

Which of these animals is not in danger becoming extinct? a) Panda bears. b) Polar bears. c) Grizzly bears.

What do you call a substance that pollutes the air, water or soil? a) Pollutant. b) Pesticides. c) Acid.

What do you call the rain that contains many chemicals and is harmful? a) Smog. b) Acid rain. c) Monsoon.

What is the most used renewable energy source in the world? a) Hydro energy. b) Solar energy. c) Wind energy.

Rainforest land is most often cleared for … a) factories. b) farmland. c) pasture.

The process by which the Earth’s temperature is increasing is called the … a) biothermal effect. b) greenhouse effect. c) temperature effect

Which of these energy sources is renewable? a) Coal. b) Natural gas. c) Wind.

What do you call the area that is inhabited by a particular species? a) Habitat. b) Environment. c) Biosphere.

Global warming will cause an increase of … a) Heat waves. b) Hurricanes. c) Both.

Which of these human activities contributes the most for global warming? a) Using fossil fuels. b) Cutting down trees. c) Riding bicycles

Which of the following is not a fossil fuel? a) Coal. b) Wood. c) Oil.

Which of the following is biodegradable? a) Plastic. b) Paper. c) Glass.

Which of the following can be recycled? a) Milk cartons. b) Plastic bottles. c) Both.

What is the term for the complete disappearance of a species? a) Termination. b) Disappearance. c) Extinction.