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How can we fix environmental issues?
Exercise 5.5
What should we prefer an educational app or a tutor to teach kids at home?
Every year India celebrates Engineer's Day on September 15, the birth anniversary of Visvesvaraya. He went on to become India's most prolific civil engineer, dam builder, economist and statesman. ... Visvesvaraya is credited with inventing the block system, automated doors that close the water overflows.
Which day we celebrate national youth day in our india?
Which day we celebrate the World environment day