What Adam and Eve do not have but the rest of the people have?

I cannot talk, but I always reply when spoken to. What am I?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.