Humans and all organisms need air to breathe. Air that we breathe today, is extremely polluted. Few known causes and their effects are:
And to celebrate what teacher have done for us, what they have given to us, we celebrate teacher’s day every year. And in honor of our teachers, here are some inspirational teachers day quotes.
A lunar eclipse is a phenomenon observed when the Earth moves between the Sun and Moon. But, in the partial lunar eclipse the three celestial bodies do not form a straight line in space.