Unit 6 (Human Impact) Grade Recovery_ESCI

Front

Wind is a __________ energy resource.

Back

Renewable

Front

What are the two main contributors to global mean sea level rise due to global warming?

Back

Melting of glaciers and ice sheets + thermal expansion of ocean water

Front

Why is Carbon Dioxide considered to be a Greenhouse Gas?

Back

It absorbs and reradiates infrared radiation to warm the Earth

Front

T/F: Some greenhouse gases are naturally present in the Earth's atmosphere.

Back

True

Front

What kinds of resources make up your ecological footprint?

Back

All of the above (waste production, water and energy use, food and shelter, clothing and transportation)

Front

Define ecological footprint.

Back

A measure of human demand on the Earth's ecosystems, representing the amount of natural capital used.

Front

What is thermal expansion of ocean water?

Back

The increase in water volume as it warms, contributing to sea level rise.

Front

What role do glaciers play in sea level rise?

Back

Melting glaciers contribute freshwater to oceans, raising sea levels.

Front

What is a greenhouse gas?

Back

Gases that trap heat in the atmosphere, contributing to the greenhouse effect.

Front

Name two examples of greenhouse gases.

Back

Carbon dioxide (CO2) and methane (CH4).