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Which of the following is a good example of a carbon sink because it absorbs a lot of carbon dioxide out of the atmosphere?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
Which of the following can change atmospheric nitrogen (N2) into a form of nitrogen usable by living things?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
What about our Earth could change if there were no greenhouse gases?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
Which of the following is helping humans reduce the amount of fossil fuels being burned?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
Which of the following is NOT a way that carbon gets back into the atmosphere?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
During which time of year will the Earth usually have the lowest amounts of carbon dioxide?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
Which of the following is a major way that humans impact the amount of nitrogen in the soil?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
Which of the following health problems would rise increase if the Earth lost the ozone layer?
Winter
Nitrogen Fixation by bacteria in the soil.
Rainforest
skin cancer
Temperatures would decrease and the Earth would begin to freeze.
Photosynthesis
Using too much ferilizer on their farms and gardens
Development of alternative energy sources like solar power and wind power.
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