Science Class 7 Question Answer & Topics Video NUTRITION IN PLANTSNUTRITION IN ANIMALSFIBRE TO FABRICHEATACIDS, BASES AND SALTSPHYSICAL AND CHEMICAL CHANGESWEATHER, CLIMATE AND ADAPTATIONS OF ANIMALS TO CLIMATEWINDS, STORMS AND CYCLONESSOILRESPIRATION IN ORGANISMSTRANSPORTATION IN ANIMALS AND PLANTSREPRODUCTION IN PLANTSMOTION AND TIMELIGHT