Ecosystems and biomes | Ecology | Khan Academy

Нека да преговорим. Индивидите от даден биологичен вид, които обитават една и съща територия, се наричат популация. Популация. Всички организми в тази популация са от един и същи биологичен вид. Може да има други индивиди от тозибиологичен вид, които не се намират в същата тази територия и те няма да са част от тази популация. […]

Top 10 Tomato Growing Tips – Gardening Tips

[Applause] every tomato lover dreams of growing the ultimate tomato firm but juicy sweet but tangy aromatic and blemish free perfection the trick to growing great taste in tomatoes is to choose the best varieties start the plants off right and control problems before they happen start here with some time-tested tomato growing tips to […]

Renewable energy

the earth on our planet Earth there are inexhaustible sources of energy natural energies that will never run out we call them renewable energies the wind however many windmills at turns will never defeat itself wind energy is constantly constantly constantly renewed it can rotate windmills and move sailboats but it also creates electricity using […]

Deserts: Global Environments

you deserts represent the largest land type on earth and yet few of us have explored their mysteries every continent has deserts they're always found in places with a very dry climate rainfall and humidity are low there are two types of dry climates where deserts form in arid regions and semi deserts also called […]

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