Rhyming Riddle 9

Here is today's riddle:

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Apple Grape Banana Pear:
I tremble at each breath of air,
but the heaviest burdens I can bear.
Parsley Sage Rosemary Thyme:
I love to fall but cannot climb,
and I run smoother than any rhyme.
Who am I?

clue:

I fall down mountains and I also fall from the sky.

clue:

A puff of air makes me ripple, and so does a pebble.

clue:

I can lift up things made of wood and things made of steel!

reveal/hide answer

Water.

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I added the two lines about "Apple Grape Banana Pear" and "Parsley Sage Rosemary Thyme." I like how it sounds, but they are not needed; the poem also rhymes on its own without them. 

It would also be possible to create a nonsense refrain too: "Riddle Diddle Dabble Dare" and "Riddle Diddle Dabble Dime" or something like that!

More Rhyming Riddles with Clues.