Carbon cycle

Question 1

What are the 4 main processes in the Biosphere?

Answer 1

Decomposition, combustion, photosynthesis, respiration

Question 2

Write out one equation for a main process in the Biosphere?

Answer 2

Carbon dioxide + Water = Glucose + Oxygen

Question 3

What is the name of the nutrient rich soil?

Answer 3

Humus

Question 4

What is the unit for measuring the CO2 in the atmosphere?

Answer 4

ppm

Question 5

How much CO2 is in the atmosphere?

Answer 5

400+

Question 6

Why is there concern for the Cryosphere?

Answer 6

If it melt it will release CO2, same amount that is already in the atmosphere.

Question 7

What is the term used to describe CO2 being released form the ocean?

Answer 7

Ventilation

Question 8

What is the term used to describe when CO2 being released and absorbed by the ocean?

Answer 8

Diffusion

Question 9

The dissolving of CO2 into the ocean known as?

Answer 9

Ocean acidification

Question 10

What does organic matter form in the hydrosphere?

Answer 10

Hydrocarbons

Question 11

How do phytoplankton transfer carbon?

Answer 11

Photosynthesis

Question 12

What does coral do with carbon?

Answer 12

Convert into carbonate.

Question 13

What happens to shells and corals?

Answer 13

Compaction

Question 14

What type of rock from under the sea?

Answer 14

Sedimentary

Question 15

What is weathering?

Answer 15

Breakdown of rock in-situ

Question 16

How is carbon transferred into the lithosphere?

Answer 16

Volcanoes

Question 17

What is the % of carbon stored in each store?

Answer 17

Lithosphere - 99.985%
Hydrosphere - 0.0076%
Pedosphere - 0.0031%
Cryosphere - 0.0018% 
Atmosphere - 0.0015%
Biosphere - 0.0012%

Question 18

Name 3 fluxes in the carbon cycle?

Answer 18

Diffusion, Photosynthesis, respiration, compaction, weathering, combustion.

Question 19

Name 3 stores in the carbon cycle?

Answer 19

Plants, phytoplankton, coral/shells, sea animals, hydrocarbons, sediment, permafrost.

Question 20

Give 4 human factors affecting the carbon cycle?

Answer 20

Hydrocarbons, land use change/urbanization, deforestation, agriculture.

Question 21

What is responsible for the most - give %?

Answer 21

hydrocarbons/fossil fuels - 87%

Question 22

Why has there been a dramatic increase since the 1950s?

Answer 22

Motor car, industrial revolution.

Question 23

What is responsible for 2.4-5 of global emissions?

Answer 23

Cement

Question 24

What is responsible for between 20-30% of global emissions?

Answer 24

Deforestation

Question 25

Why is deforestation global emissions a concern?

Answer 25

Turning from a sink to a source

Question 26

How does what we eat affect the carbon cycle?

Answer 26

Rice and livestock

Question 27

Give 3 natural factors that affect stores of carbon?

Answer 27

Warm temps, cold temps, volcanoes, wildfires

Question 28

Are the spheres in balance with each other?

Answer 28

No sphere is in balance with any other.

Question 29

Which are the main sinks and sources?

Answer 29

The hydrosphere, pedosphere and biosphere are the main sinks. The lithosphere is the main source.

Question 30

Is the greenhouse effect a good thing?

Answer 30

Yes

Question 31

what is the global average temperature and what would it be without the greenhouse effect?

Answer 31

15-17

Question 32

What is incoming radiation known as and outgoing radiation?

Answer 32

Short wave (uv) long wave (IR)

Question 33

What does the sun heat>

Answer 33

The ground

Question 34

What happens to the outgoing radiation?

Answer 34

Some gets trapped and the rest escapes.

Question 35

What is the balance between incoming and outgoing radiation known as?

Answer 35

Radiation forcing.