Water

A buddy is there to help you check your gear and, when underwater, to help you in case of an emergency. After you are in the water, put on the fins, mask, and snorkel, and, carrying a weight belt, walk slowly backward to the middle of a shallow area. Sit on the bottom with the…

A historic art that has been passed down through many generations. The Hopi Indians have lived in the same area of the Southwest (present day Arizona) even before the time of Columbus. The prehistoric ancestors of the Hopi Indians were the Anasazi Indians. The Hopi Indians lived on desert land at the foot of the…

Not all animals have lungs. Many animals live in environments where lungs would be efficient enough for survival. Gills are another type of respiratory system, which are very efficient at removing oxygen from water: there is only 1/20 the amount of oxygen present in water as in the same volume of air. Gills greatly increase…

Many people assume that water is an unlimited natural resource. Is this true? Although water appears abundant, recent circumstances indicate that it is seriously vulnerable to pollution and depletion. Throughout this essay we will examine what ground water is, how it is important in the water cycle, how its contamination can affect us, and what…

Types of water pollution Surface water pollution Ground water pollution Oceanic water pollution Sources of water pollution Point sources Non-point sources Measurement of water pollution Sampling Physical testing Chemical testing Biological testing How to control water pollution Municipal wastewater treatment On-site sanitation and safely managed sanitation Industrial wastewater treatment Agricultural wastewater treatment Erosion and sediment…

Earth is the most precious thing in this universe because earth having oxygen and water, essential things for life. The natural resources found on earth are deteriorating day by day because of various wrong practices of human beings. In a matter of time, waste in this world will overtake the world. Waste is anything we…

It is undertaken by people known as pastoralists. These pastoralists raise their livestock by constantly moving around with their animals, instead of staying and raising their respective livestock in one place. This constant movement is done to look for suitable climates that their livestock can thrive in. The following are some of the benefits of…

Earth is the only known planet in this universe where life is possible only because of the availability of water and oxygen. Water is most important necessity of life for all the living beings on the earth. Without water no one can exist even for a day. We also know that there is very less…

Any oil bearing material can be extracted by solvent extraction plant with proper preparation of raw material before feeding to the extraction process. Solvent extraction process is an Universal process of extracting vegetable oil from rice bran, soya bean etc. It is the most popular used oil extraction method. In the earlier times, rice bran…

Bacterial Spot (bacterial – Xanthomonas campestris pv. vesicatoria) Infected leaves show small, brown, water soaked, circular spots about one-eighth inch in diameter. The spots may have a yellow halo. This is because the centers dry out and frequently tear. on older plants the leaflet infection is mostly on older leaves and may cause serious defoliation….