What is both possible and impossible at the same time?

What is so fragile that saying its name breaks it?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

By using 'because' continuously three times, can you make an English statement ?