ENVIRONMENT SCIENCE

• ENVIRONMENT IS DEFINED AS ANYTHING THAT SURROUNDS LIVING AND NON-LIVING THINGS AND THEIR DYNAMICS.
• Physical elements are spaces, landforms, water bodies, climate, soils, rocks and minerals.
• Biological elements as plants, animals, microorganisms and humans that constitute the biosphere.
• Cultural elements such as economic, social and political elements are essentially man made features.
• Basically, the environment consists of four segments: the Atmosphere, Hydrosphere, Lithosphere and Biosphere
• atmosphere- contains the gases that surround the earth
• The Hydrosphere comprises all types of water

  resources oceans, seas, lakes, rivers, streams, reservoir, polar ice caps, glaciers, and ground water.
• The LITHOSPHERE IS THE OUTER MANTLE OF THE SOLID EARTH. IT CONSISTS OF MINERALS OCCURING IN THE EARTH’S CRUSTS AND THE SOIL E.G. MINERALS, ORGANIC MATTER, AIR AND WATER.
• Biosphere indicates the realm of living organisms and their interactions with environment, viz atmosphere, hydrosphere and lithosphere