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Why is the sea salty? Why is a jellyfish transparent? Why are pebbles called pebbles?

Why is the sun hot? Why is the planet shaped like that? Why are there seasons?

Why is a rose thorny? Why is honey sweet? Why do I live?

What is air? Why can't we see it? Why do we need it?

Why does a birch have that kind of trunk? Why are waves like that? Why is a cherry burgundy-colored?

What do clouds feel like? Why is the sunset so beautiful? How can one learn to fly?

Why do people laugh? Why is fire hot? Why is the sun yellow?

Where can you arrive if you fly through space for a long, long time? My grandson asked me this question yesterday, and I did not know...

Why am I me? This question tormented me as a child)

Why are there waves in the sea? Why are some big and some small? Why is grass green? Why is linen clothing cool in hot weather? Why are...