НА ТЕМУ ЧЕМ ЖИВОТНЫЕ ПОЛЕЗНЫ ДЛЯ ЧЕЛОВЕКА И ЧЕМ ЧЕЛОВЕК ПОЛЕЗЕН ДЛЯ ЖИВОТНОГО ТОЛЬКО ПОПРОЩЕ

Animals provide many vital products to people, the most important of which are meat, milk, eggs and skin. Breeding work has allowed to bring animals with higher productivity than their ancestors. The most useful Pets is almost identical to the most popular farm animals.