It's obvious to me you have simply read someone else's BS account that states space exploration is a waste. The statement is so far from the truth it disgusts me. Let me see if I can briefly explain...
Hi Children,
Don't be tensed while writing the answers.
Read the questions 2 to 3 times.
Recall the answers and write with neat handwriting from the first sentence of the first page till the last sentence...
We know that square of +2 is 4 and square of -2 is also 4. But is the square root of 4 compounds to -2?
Lets look:
We should know that √ (square root) operator is a positive operator i.e it...