Earthworms are one of the most important soil animals that have the capability to maintain the fertility of the soil and hence are playing a key role in sustainability. The mutual action of earthworms and microbes brings faster decomposition as earthworm's condition, aerate, fragment, and enhance surface area of the organic matter for microbial action. Earthworms are also known as Farmer's friend.

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Who gave the law for uniformaly accelerated objects?