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Unit 5.1 - Environment

acid rain

rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water

ocean acidification

Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, caused by their uptake of carbon dioxide from the atmosphere

coral reef calcification

Coral reefs are built from calcium carbonate and can be affected by changes in ph and temperature.

climate change

a shift in the long term average conditions of weather

fossil fuels

a nonrenewable energy resource that forms in the Earth's crust for millions of years

alternative fuels

fuels that would be less damaging to the environment

carbon footprint

measure of the impact human activities have on the environment in terms of the amount of greenhouse gases produced, measured in units of carbon dioxide

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