151 Amazing Questions-Answers collection kindles curiosity kin kids from very early age. Read with your kids and have great time finding answers together!
Sound travels in a medium which can be solid, liquid or gas. Sound travels as it vibrates the molecules of that medium and reaches the ear of the human being. Space, on the other hand, is a vacuum with no medium that can help sound to propagate. Space does not have gas, solid or liquid […]
A fish is essentially a cold-blooded vertebrate which is characterized by a slender body, heart with two chambers, gills, fins and scales. Unlike marine animals a fish doesn’t have to reach the surface of water to breathe but does so with feather tissue membranes referred to as gills. A fish breathes in water with gills
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