unit 2 cycles

Question 1

Carbon cycle - where is carbon being released

Answer 1

respiration
combustion (burning of fossil fuels)
decomposition (breaking down organic matter)
volcanic eruptions (release of C02)

Question 2

Carbon cycle - where is carbon being stored

Answer 2

Atmosphere
biosphere
geosphere
hydrosphere

Question 3

Carbon cycle - how are humans impacting the cycle

Answer 3

fossil fuel burning
deforestation

Question 4

Carbon cycle - what are the impacts of human actions

Answer 4

climate change
biodiversity loss

Question 5

Carbon cycle - how do we reduce these effects of humans

Answer 5

transition to renewable energy
reforestation

Question 6

Phosphorous cycle - what are the states of matter

Answer 6

rocks and minerals

Question 7

Phosphorous cycle - why do we need Phosphorous

Answer 7

Atp production
DNA growth
Cell memebrains
bone and teeth formation

Question 8

Phosphorous cycle - how are humans altering the cycle

Answer 8

over application of fertilizer
waste management

Question 9

Nitrogen cycle - what are the natural process that can break the N2 bond

Answer 9

nitrogen fixation
lightning

Question 10

Nitrogen cycle - how have humans sped up the cycle

Answer 10

increases in synthetic fertilizers
live stock farming and increases in manure which leads to nitrogen runoff

Question 11

Nitrogen cycle - what is good about humans sped up cycle

Answer 11

increases crop yields

Question 12

Nitrogen cycle - what is bad about humans sped up cycle

Answer 12

soil degradation
eutrophication

Question 13

Sulfur cycle - How does sulfur get into the atmosphere from natural sources

Answer 13

volcanic eruptions
ocean emissions

Question 14

Sulfur cycle - how does sulfur get into atmosphere from anthropogenic sources

Answer 14

burning fossil fuels
industrial processes

Question 15

Sulfur cycle - why is sulfur needed

Answer 15

essential nutrients
soil health

Question 16

Sulfur cycle - why is sulfur bad

Answer 16

acid rain
biodiversity loss