Carbon And Water Cycles

Question 1

How is carbon stored in the atmosphere

Answer 1

CO2

Question 2

stores of carbon in living things

Answer 2

Carbohydrates (starch, glucose), proteins, lipids (fats)

Question 3

Processes that return CO2 to the atmosphere

Answer 3

Evaporation (from sea)
Respiration
Combustion

Question 4

Processes that remove CO2 from the atmosphere

Answer 4

Dissolving (into the sea)
Photosynthesis

Question 5

How is carbon used by living things

Answer 5

Respiration
Stored as biological molecules

Question 6

Human factors that affect CO2 levels

Answer 6

Combustion of fuel oils
Deforestation (smaller carbon sink, more released)

Question 7

2 carbon sinks

Answer 7

Rainforest
Ocean

Question 8

Form of water in the atmosphere

Answer 8

Water vapour (gas)

Question 9

Process that returns water vapour to the atmosphere

Answer 9

Evaporation (from ocean, lake, puddles)
Transpiration (evaporation from leaf)

Question 10

How does water vapour in the atmosphere return to the sea

Answer 10

Vapour condenses into clouds
Precipitation (water leaves cloud)
Water runs down from lakes into ocean