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15
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Most organisms _______ use nitrogen gas, therefore nitrogen needs to be ______?
cannot, fixed
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How is carbon returned to the environment?
When producers and consumers break down the food to obtain energy, they release carbon dioxide to the environment.
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What is Condensation?
The process of a gas changing to a liquid is condensation.
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What does The Law of Conservation of Mass state?
The Law of Conservation of Mass states that matter is neither created nor destroyed during any chemical or physical change.
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15
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How can nitrogen fixation occur in the environment?
by lightning
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trap
No points!
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gold
Win 50 points!
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rocket
Go to first place!
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thief
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25
15
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What does The Law of Conservation of Energy state?
The Law of Conservation of Energy states that when one form of energy is transformed to another, no energy is lost in the process.
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banana
Go to last place!
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seesaw
Swap points!
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fairy
Take points!
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25
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baam
Lose 25 points!
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What are the three process of the water cycle?
Evaporation, condensation, Precipitation
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trap
No points!
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seesaw
Swap points!
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shark
Other team loses 15 points!
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lifesaver
Give 25 points!
Oops!
15
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What is Evaporation?
Evaporation is the process by which molecules at the surface of liquid water absorb enough energy to change to a gas.
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15
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What has been one of the main cause of an increase in global temperature?
Burning of fossil fuels
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baam
Lose 25 points!
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shark
Other team loses 15 points!
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gift
Win 25 points!
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thief
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15
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The nitrogen cycles from ________ to ___________ many times
producers; consumers
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15
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How do consumers get carbon compounds in the carbon cycle?
Consumers eat other organisms and take in their carbon compounds.
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15
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How do clouds form?
The water droplets collect around dust particles and eventually form clouds.
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