Question 11 MarkSubstances or materials through which we cannot see things, are called $.........$ materials.AnswerOpaqueView full question & answer→
Question 21 Mark$.........$ gas dissolved in water is very important for the survival of animals and plants that live in water.AnswerOxygenView full question & answer→
Question 31 MarkMaterials that can be compressed or scratched easily are called $.........$ materials.AnswersoftView full question & answer→
Question 61 MarkObjects around us are made of one or more than one$.........$AnswermaterialsView full question & answer→