True: Soil is formed by weathering of rocks., Soil is essential for the growth of plants., There should be a ban on polythene bags and plastics to control soil pollution., False: Capacity to hold water is much higher in sandy soil than clayey soil., A vertical section through different layers of the soil is called soil pollution., Sandy soil has more water retaining capacity.,

soil chapter Science class 7

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?