Answer:
I am a kind of coat that can only be put on when wet.
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
I grow up while growing down
I'm sometimes white but most often I'm black. I take you there but never bring you back.
I start with āeā end with āeā. I have whole countries inside me. What am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?