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1 × coasts and coastal features 1 × significance of oceans 1 × water movements 1 × distinction between oceans and seas 1 × oceans seas and their coast 1 × distribution of major earthquake zones of the world 1 × the significance of rivers and the resultant features 1 × the resultant features 1 × procedure to be followed during field-work 1 × weather station 1 × elements of weather 1 × eschatology 1 × characteristics of the phyla arthropoda 1 × respiration in plants and animals 1 × mesophytes 1 × structure and function of the heart 1 × effect of pollution on human beings and other organisms 1 × inter-relationships 1 × characteristics of major divisions of plantae 1 × kingdom plantae classification 1 × capture-recapture method 1 × world war 1 1 × symbiosis 1 × energy flow in an ecosystem. 1 × main characteristics of the phyla arthropoda 1 × cell specialization 1 × internal structure of root and root hairs 1 × absorption of water and mineral salts 1 × effects of the parasites on the hosts 1 × significance of respiration

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