What is shifting of pollen grain called?, Define rain water harvesting., State two ways to reduce rain water harvesting., Why dry fruits are eaten in winter?, State two reasons that are leading to clearing of forest., What are the causes of water pollution?, State two ways in which dry fruits are used in our daily life., How does green leaves help a bud?, What does farmers use for increasing their crops?, What is rearing of silk worm called?, Define water scarcity., Female Anopheles cause what disease?, State natural method to get rid of harmful insect..

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