Month: September 2021

What is Arsenic?

Arsenic is a chemical element present in the environment. It occurs – both naturally and through human sources.Naturally – erosion of arsenic-containing rocks, volcanic eruptionsHuman sources – mining and smelting ores, use of arsenic-containing pesticides. (Note: Source based questions are imp. UPSC has a habit of harping on sources) II. Types of arsenicTwo types of …

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Benefits that have resulted from the reclamation of Yala swamp

The following are Benefits that have resulted from the reclamation of Yala swamp. Has led to control of floods in the area. Has created employment opportunities and raised living standards. Has stimulated development of infrastructure. Has increased the amount of agricultural land. Mosquitoes were controlled. Better farming methods were introduced. Increased agricultural output due to …

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advantages and disadvantages of uranium or nuclear energy

Uranium or Nuclear Energy is Derived from the alteration of atomic structures Involves release of heat that produces steam used to generate electricity through fission where uranium are split in nuclear reactors/power stations Nuclear power stations are mainly found in developed countries e.g. Britain, USA, France, Germany and Japan Advantages of nuclear energy Environmentally friendly. …

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Effects of floods and how to mitigate them

Ways in which floods affect people. People are displaced. Disrupts transport and communication system. Causes soil water logging which lowers crop production. Leads to loss of property and lives. Creates stagnant water in which disease causing micro-organisms breed e.g. Mosquitoes, Bilharzia snails. Floods disrupt farmers calendar/wash away crops/leads to food shortages. Methods through which floods …

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4 Features or characteristics of Horticulture in Kenya

Features or characteristics of Horticulture in Kenya It requires a lot of farm inputs e.g. fertilizers, pesticides and herbicides hence needs high capital outlay The farms are smaller in size except for the large scale flower farms in Naivasha Farms are located in areas with good and reliable transport infrastructure since horticultural products are highly …

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