It is our planet.
Ecology
The three Rs mean...
Nowadays everyone should take care about the____
_________ rain is full of chemicals.
The _______ effect is the warming of the Earth's atmosphere as a result of harmful gases.
No longer existing, as an animal species.
The act of preserving and protecting from loss, destruction, or waste.
People of the Earth.
The opposite of «cleanness».
What can come from nuclear, electrical, solar or wind power?
We have so many of them, like air, sea, and land pollution, holes in the ozone layer and so on.
A global increasing of the temperature.
It is a rubbish, waste or other things we throw away.
Weather conditions.
The part of the Earth and its atmosphere in which living organisms can exist.
Animals and plants that are going to be extinct soon.
It is a thick forest in tropical parts of the world, like in Amazon area.
The natural environment of a plant or animal.
The continuous modification and adaptation of organisms to their environments.
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