Brain Teasers

what has 4 eyes but cant see even if it was wet

if and ''ELECTRIC'' train is travelling south which was is the smoke going

remove my first word , my last word , even  my middle word i still sound the same

poor people have it , rich people need it and if you eat it you die ... what is it

what has eyes but cant see

i am tall when im young, i am short when i'm old what am i

what is at the end of a ''rainbow''

we see it once a year , twice a week, and none a day what is it 

john's father has 4 sons : samson , josh , peter ,  what is the name of the 4th son

what has hands but cant clap