I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What breaks yet never falls, and what falls yet never breaks?

What kind of storm is always in a rush?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

Which five letter word can be added at the end of below word to form a
valid word?

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using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?