<span>Pollen Grains is also known as male gametophytes of a flowering plant. They represent the male portion in the reproductive process. Pollen grains are tiny bodies which get transported through wind, insect or other natural agents, joins with the female parts of the flower through the process of fertilisation, resulting in the formation of seeds.</span>
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biologie is klote, net zoals je nu doodgaat
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The biological or chemical change in the quality of water due to the presence of contaminants in water is called water pollution. Most of this contamination as on date is due to various human activities. In fact, humans are responsible for the mass deaths of whales and other aquatic organisms often swept ashore at different beaches in the world. There is an urgent need to look into the measures to control water pollution although a lot many efforts and schemes have already been announced by the Government in this regard. To make the students aware of this we have prepared short and long essays for students which shall inform them about water pollution and the means to minimise it.
The iron-nickel alloy melts cause of the hot temperatures