Look around to see what uses oil—cars, airplanes, boats, factories, and countless other machines. The world is dependent on oil as its main source of energy. Although oil is plentiful right now, the supply will eventually run out, and even worse, burning oil is very damaging to the environment. What alternatives can help us use less oil and how can we protect the environment? Read and find out!

Под заказ:
	OZON.ru - 2006 руб.	Перейти

Рейтинг книги: 4 из 5, 5 голос(-ов).