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global warming and climate changes
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A fossil fuel formed from the remains of plants and animals that lived in ancient lakes and seas, just like the way petroleum was formed.
NATURAL GAS
A fossil fuel made from plants that grew in swampy areas millions of years ago. Compared to the other fossil fuels, when it is burned, it generates the highest amount of CO2.
COAL
The most popular fossil fuel. It provides over 40% of the world’s energy.
PETROLEUM (OIL)
One of the greenhouse gases. It is naturally produced when animals and plants breathe. It is also produced when we burn fuels to produce energy.
CARBON DIOXIDE (CO2)
A natural process that keeps the Earth’s average temperature mild, making life possible. During the day, the sun rays heat up the Earth’s surface. At night, the heat is released back into the air and the surface cools down. However, the gre
GREENHOUSE EFFECT
Gases that are found in the Earth’s atmosphere that trap the heat just like the glass does in a greenhouse.
GREENHOUSE GASES
A house made of glass to keep the heat of the sun trapped. This way, plants can grow inside it even when it is very cold outside.
greenhouse
A mass of gases that surrounds and protects the planet.
ATMOSPHERE
The substances formed from the remains of ancient animals and plants that were buried and stayed under the pressure and heat of layers of earth for millions of years. Those substances have been our main sources of energy for over 100 years
FOSSIL FUELS
The remains of animals and plants that lived a long time ago.
fossils
Something we burn to generate energy.
fuel
The ability to make things move or change condition.
energy
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