miscellaneous
nutrient cycle
Phosphorus Cycle
nitrogen cycle
carbon cycle
100

Man-made pollution comes from water.

 What is phosphorous run-off?

100

Activity releases Co2.

What is geological activity?

100

Some phosphorus soil can be washed into.

What gets washed into water basins?

100

Summary of nitrogen cycle.

What is human adding fertilizer, and it can go into water sources.

100

What is the main regulater of co2 in the atmosphere.

What is the ocean.

200

Water from ocean condenses into.

What is condensation into clouds?

200

Burning of fossil fuel releases what.

What is the releasing of CO2?

200

Too much phosphorus-rich soil is bad for the enviroment.

What is phosphorus run off into water.

200

Bacteria in soil breaking down ammonia  in gaseous forms of nitrogen.

What is dentrification

200

What deposits do we burn like  coal, oil, and natural gas.

What is deposits of fossil fuels.

300

What we burn.

 What is coal and natural gas.

300

This turns organic matter into fossil fuels over millions of years.

What is pressure, decomposition, and heat over a long period of time.

300

Too much phosphorus in plants lead to.

What is overgrowth?

300

Animal waste decay creates by bacteria creates this.

 What is nitrate?

300

More CO2 is released into the atmosphere today  than in the past.

What is burning fossil fuels?

400

Our atmosphere is 2 percent this.

what is oxygen


400

This dissolves in rainwater.

what is CO2.

400

What is essential nutrient for life and making up important chemicals like DNA.

What is phosphorus?

400

Only special bacteria use nitrogen in our atmosphere and “fix” it.

what is nitrogen-fixing bacteria?

400

Another natural source for CO2.

What are volcanoes?

500

Bacteria waste develops into this.

What is bacteria?

500

Geological activity turns into rock.

What is marine sediment?

500

Phosphorus is contained in what.

What is being contained in rocks and minerals

500

Our atmosphere is 78% this.

What is nitrogen gas?

500

Too much CO2 is responsible for.

What is sugar greenhouse?

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