8.2.3 Live CLass-The Carbon Cycle

Where is most of Earth's carbon stored?

• plants

• ocean

• atmosphere

• rocks/soil

What do you call areas where large amounts of carbon are stored?

• reservoirs

• containers

• tanks

• biospheres

About how many years does carbon take to move through the slow carbon cycle?

• 100-200

• 1,000 years

• 100-200 million years

• 100-200 billion years

What process breaks down rocks and other materials through chemical reactions?

• erosion

• chemical weathering

• floods

• earthquakes

What is made from decomposing plants and animals that is found in Earth's crust and can be burned for energy?

• fossil fuels

• magma

• limestone

• caves

How does Earth naturally release carbon in the slow cycle?

• forest fires

• thunderstorms

• earthquakes

• volcanos

What is the process by which plants use sunlight, water and carbon dioxide to make sugar and oxygen called?

• cellular respiration

• photosynthesis

• chemical weathering

• harvesting

True or False: Plants release carbon dioxide into the atmosphere?

• true

• false

During what season does atmospheric carbon dioxide concentrations rise?

• winter

• spring

• summer

• fall

Due to human impact, all of the following reservoirs are having more carbon released except:

• forests

• oceans

• atmosphere

• soil