Can you define deforestation? What does it mean?

Which helps to protect the environment? 1) deforestation 2) to recycle bottles and cans

What is "the introduction of toxic substances into an environment"? 1) deforestation 2) pollution

Are fossil fuels can be burned for energy? 1) Yes, they can be burned. 2) No, they can't be burned.

Dinasours are ______________species. 1) extinct 2) endangered

Is coal a kind of fossil fuel? 1) Yes, it is. 2) No, it isn't.

What does sustainability mean? 1) using resources in a way that they will be there in the future 2) a natural fuel

What defines atmosphere? 1) the air that surrounds the Earth 2) water covering an area of land that is usually dry

What do greenhouse gases do? 1) They make houses green. 2) They trap energy from the sun. 3) They don't trap energy from the sun.

Are "melting ice caps" cause or result of climate change? 1) cause 2) result

What does landfill waste mean? 1) waste that is buried in the ground 2) recycling bottles and cans

Are dogs endangered species?

Which is the definition of global warming? 1) using heat in a way that it will be available in the future 2) a gradual increase in the earth's temperature generally due to the greenhouse effect