The problem of environment protection is actual. Much attention is paid to the problem of ecology. The present situation is too far complicated. Many flowers have become rare and vanish. Our useful insects: bees, bumble-bees, butterflies, dragonflies can’t live in the atmosphere of chemicals and pesticides. Excessive radiation and transport are harmful to people and animals. We know that a great number of people all over the world are taking part in the policy of controlling the atmosphere, the water, the climatic changes of man’s interference in nature.
0,0(0 оценок)
Полный доступ
Позволит учиться лучше и быстрее. Неограниченный доступ к базе и ответам от экспертов и ai-bota
Оформи подписку
