Hello this is Sanika Devesh Bhatt  For more creative , sustainable , useful and enjoyable...

erbium. a trivalent metallic element of the rare earth group. ... nanometer. a metric unit of...

Changing weather patterns are expanding diseases, and extreme weather events increase deaths and...

Thankyou all the teachers for making our life good

GURU NANAK IS A SIHKH   ITS  HONOURED THAT ON HIS BIRTHDAY ITS GURU NANAK JAYANTI...