Відповідь:
Ecology is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them.
Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.
Greenpeace is the leading independent campaigning organization that uses nonviolent direct action and creative communication to expose global environmental problems and promote solutions that are essential to a green and peaceful future.
Swans are the largest birds in the duck family. There are six different kinds of swans which have white bodies, but in a few parts of the world. there are black swans too. Swans are clever and remember people who have been kind or unkind to them! A frightened and really angry swan can break a man's leg its strong wings! Swans live on rivers and lakes. But in the winter months, some might live near the sea because salt water is usually a little warmer than river water. Swans don't usually fly very far from the place where they build their nests. It takes between 35 and 42 days for a baby swan, which is called a 'cugnet', to break open its eqg. A baby swan can be grey or white. Wild swans usually live for about seven years, but some live a lot longer. A swaneats underwater plants. It finds these by plunging its long neck deep into the water and its tail up into the air! Swans might also eat small frogs and insects.
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