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212 Arrow-Puffin-1_Semester-1 EVS7 THEME 3 : MY NEEDS %u2013 AIRAIR WE BREATHE Making Air CleanUses of AirProperties of AirNeed for AirUnclean Air and its Harmful EffectsNeed for AirEvery second, we breathe in air through the nose. We also breathe out air.We can feel the air going in and out, can't we?We cannot hold our breath for too long. We need to take in air all the time. We need air to live. Plants and animals also need air to live.Properties of AirAir is all around you. Can we see air?No, we cannot see air, but we can feel it.Turn on the fan and stand in front of it.You can feel the cool air blowing on your face.When you run too, you can feel the air blowing on your face.? Did You KnowAir has a gas called oxygen that we breathe in.