Answer:
What grows up while growing down?
It rows quickly with four oars but never comes out from under his own roof. What is it?
I'm a marine mammal with flippers that balances balls on my nose and barks. What am I?
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?