Write the letter of the best answer.
Filters
Samples
Pollutants
Data
Cooling ponds
Wetlands
Any ecosystem
Sanitary landfills
Burning trash in an incinerator
Using old newspapers to make cereal boxes and grocery bags
Composting food scraps and grass clipping
Returning glass bottles to be reused
Forest fires produce ashes and smoke that enter the air
Chemicals from burned fossil fuels mix with moisture in the air
The ozone layer in the atmosphere gets too thin
The water in lakes and ponds has a pH higher than 7
Reduce water pollution
Improve groundwater quality
Restore food chains
Conserve fossil fuels
Paper
Metal
Plastic
Glass
Organic farming
Mercury
Plants
Turbines
Wood
Oil
Wind
Sunshine
Reclamation
Litter
Natural air pollutants
Sunshine
Thermal pollution
Global warming
Salt water
Electricity
Light pollution
Noise pollution
Recycling
The greenhouse effect
Produce methane gas
Pollute groundwater
Form smog
Purify waste water
Geothermal energy
Air pollution
Catalytic converters
Alternative energy sources
To burn the oils as it floats on the ocean surface
To collar the spill and pump it into another container
To spray chemicals that break up the oil
To prevent spills from happening in the first place
Natural resources
Water cycles
Habitats
Particles
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