Содержание
- 2. What is ecology? Ecology - the science of interaction of living organisms and their communities between
- 3. The reduction of raw minerals and minerals. The amount of minerals decreases rapidly.Sale of minerals and
- 4. Problems of the World Ocean Chemical pollution of the ocean is very dangerous. It leads to
- 5. The destruction of plants Our planet is rapidly losing its forests. The main threat to trees
- 6. The formation of deserts. A handful of soil contains many microorganisms. The layer of earth 1
- 7. How to save the planet? 1. Properly dispose of waste production and to switch to more
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