Carbon Cycle Test Review

Match the following

Groups:

(a) Biosphere

,

(b) Geosphere

,

(c) Atmosphere

,

(d) Hydrosphere

• oceans

• carbon dioxide

• fossil fuels

• animals

• rocks

• methane

• rivers

• plants

In the atmosphere, carbon is in which form?

• carbonate

• carbon monoxide

• carbon dioxide

• carbonic acid

What does NOT produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

What process occurs when fossil fuels are used for energy?

• Decomposition
• Combustion
• Pressurization 
• Respiration 

Anthropogenic means

• related to human activity

• not related to human activity

Which process is anthropogenic?

• combustion

• photosynthesis

• diffusion

• volcanism

According to the law of conservation of matter, “matter cannot be created nor destroyed, but it can be transformed.” Select the statements below that shows how does the carbon cycle relates to this law.

• Carbon is transformed into different forms as it moves through the carbon cycle.

• Carbon is is never created nor destroyed.

• New carbon is always being created.

• Carbon is recycled through the carbon cycle.

During photosynthesis, plants absorb ​ (a)   and release ​ (b)  

• carbon dioxide
• oxygen

According to the model shown, how much total carbon is stored in the atmosphere?

• 589 Pg

• 240 Pg

• 4 Pg

• 0.7 Pg

According to the model shown, how much of the carbon stored in the atmosphere is due to anthropogenic influence?

• 589 Pg

• 240 Pg

• 4 Pg

• 0.7 Pg