Human Impact Vocabulary Practice

What do organisms release in the carbon/oxygen cycle? (Which gas are you exhaling?)

• carbon dioxide

• oxygen

What do plants release in the carbon/oxygen cycle?

• Carbon dioxide

• Oxygen

What is the greenhouse effect?

• the burning of fossil fuels causes gases to mix with water in the atmosphere

• ground level ozone and vehicle exhaust react in the presence of sunlight

• the natural warming of the earth's surface

Which is an effect of climate change?

• melting of sea ice

• burning of fossil fuels

• cutting down trees

• vehicle exhaust

What is biodiversity?

• a population of a species

• the growth of cities

• destruction of natural habitats

• a variety of organisms

What is one way to prevent climate change?

• avoid dumping in storm drains
• turn off electricity when you are not using it
• pick up after your pet's litter
• open windows 

1. What are renewable resources?

• . Resources that are used faster than they form

• resources that can replenish themselves over time

• resources that formed over millions of years

• resources that exist only in rural areas

1. Why is firewood considered to be a renewable resource?

• It can be replenished over time.

• It is used up faster than it can form.

• It is made from coal.

• It can be made synthetically.

1. Which of the following is not a renewable resource?

• coal

• wind energy

• solar energy

• water

What is global warming?

• the normal temperature fluctuations of Earth's climate cycle

• the melting of the polar ice caps

• the trend of increasing temperatures on Earth

• the changes in Earth's biosphere that affect the atmosphere