Riddles

Q1: What always runs, but never walks, often
murmurs, never talks, has a bed but never sleeps, has a mouth, but never eats, what am I?.(hint starts with the letter R…)

(please comment your answers)

Q2:I go up and never come down no matter how hard you wish, as I get higher more wrinkles crawl onto your face, what am I?

Q3:I have keys but no locks, I have a space but no room, you can enter but not go outside, What am I?

Q4: What flies when it’s born, lies when it’s alive, and runs when it’s dead, What is it?