Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Identify the hidden meaning behind this picture?

Find the number of squares in the below picture

A bomb exploded in a room full of married couples and no one died. How?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
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People make me, save me, change me, raise me. What am I?