Questions & Answers
A question may be either a linguistic expression used to make a request for information, or else the request itself made by such an expression. This information may be provided with an answer. An answer is a reply to a question or is a solution, a retaliation, or a response that is relevant to the said question.
What is a light year and how long is it?
A light year is a way of measuring distance...
Science & Mathematics > Physics
New Delhi > India
What is Darwin IV planet?
Darwin IV is a fictional planet 6.5 light years from the Earth...
Science & Mathematics