pdf SUV – HAYOT MANBAI

Владелец

Eshchanova Aziza Karrievna Al-Xorazmiy nomli

Urganch Davlat universiteti Urganch, O’zbekiston

Annotation: In this thesis the importance of water in human life, water pollution sources, such as the need for rational use of water and the effects of their expressed opinions.

Key words: biosphere, oceans, oil and oil products.