C. <span>When water in a lake freezes, it floats, providing insulation for organisms below.
This </span> best describes an effect of the low density of frozen water in a lake.
Answer:The saints of Bhakti movement strongly believed in the concept of monotheism. It meant surrender to one god. They did not propagate any religious belief. But they did propagate philosophies related to their bhakti to their idol. The most fascinating part of ‘Bhakti’ movement was that it could be followed by everyone.
Explanation:
Answer:
Choice C. Sodium bicarbonate acted as a pH buffer in Solution 2.
Explanation:
Sodium carbonate is used as pH buffering agent. Buffering agent is a type of solution which contains weak base or acid which stabilize the solution when another strong acid or base is added to the solution. If acid is added, the weak base that is present in the solution reacts with it and when base is added, weak acid reacts with it.
