"ENVIRONMENT AND ECOLOGY"
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8619641663381907" crossorigin="anonymous"></script> " ENVIRONMENT":- All external conditions, factors, matter and energy living and non living that affect any living organism or other specified system. " ECOLOGY":- Biological science that studies the relationships between living organism and their environment; study of the structure and functions of the nature. "OZONE LAYER[ O 3]" Colorless and highly reactive gas and a major component of photochemical smog. Also found in the OZONE LAYER in the atmosphere and protect us from ultraviolet rays of the Sun 🌞.