Page 1 :
River, , A big channel of flowing water is called a, river. We know that the snow on the, mountains melts and forms rivers., , , , river, Humans have brought many changes to the Earth. They have, for, example, built buildings, factories, roads, bridges and dams on the Earth., , , , building factory road bridge, various things made by humans, By putting harmful things in the air, water and, land, we are damaging our Earth., The Earth is our home. We must keep our Earth, green and beautiful. D, , , , our Earth, , , , (Use Cordova Smart Class Software on the, smart board in class to do these exercises.), , 7, SS,, , , , \. Tick (“) the correct answers., 1. Land that is flat like our playground is called a, , (a) valley (_) &)hill (_) (© plain, 2. We find oo eeeeeeeeeees in the desert., , (a) rivers C) (b) sand Pro snow, 3. Very high hills are called ., , (a) mountains (b) plains C) (c) oceans, , EVS-2, , Pooa