Answer:
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble. What are they?
Sometimes dark and sometimes bright I make my way among twinkling lights. Seas and oceans obey my call yet mountains I cannot move at all. My face is marred and gray But I'm majestic anyway
I am always running but I never get tired or hot. What am I?
I transfer oxygen from the atmosphere to your blood
What belongs to you but others use it more than you do?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?