<em>Answer:</em>
<em>Chemical equations must be balanced to satisfy the law of conservation of matter, that states that matter cannot be produced or destroyed in a closed system. The law of conservation of mass governs the balancing of a chemical equation.</em>
Explanation:
Answer:
1st one is correct, Igneous rocks are formed when molten rock cools and hardens.
The question ask on which of the following is the best representation of adhesion, cohesion and surface tension of water and the answer among the choices is letter C. Water droplets forming a bead like shape over a glass table. I hope you are satisfied with my answer.
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