Best riddles with simple answers

The front of me is the source of a song Or to kiss with a fervor of love lifelong. My back is a plant fit for a queen, Crafted by needle, chemical, or machine.

If will follow you for 1000 miles but not miss home. It desires neither food nor flowers. It fears not water, fire, knives, nor soldiers. But it disappears when the sun sets behind the western mountains. Who Am I?

I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.

If I have it, I don't share it. If I share it, I don't have it. What is it?

What starts with "P" and ends with "E" and has more than 1000 letters?

Pronounced as one letter, And written with three, Two letters there are, And two only in me. I’m double, I’m single, I’m black blue and gray, I’m read from both ends, And the same either way.

One winter day, there was a man standing in the middle of someone's front yard. The person stayed there for several weeks without moving and the owner of the yard didn't mind. Eventually the man left. Who was the man?

I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?

Farmer Brown came to town with some watermelons. He sold half of them plus half a melon and found that he had one whole melon left. How many melons did he take to town?

There is bomb on top of a computer; around the computer are a hairbrush, keys, phone and a cup. When the explosion comes, what item destroyed first?