1)
How does it boil the depth?
1.
'Rashi': It makes it like a seething pot, which constantly raises [bubbles of] steam. So it boils the depth, which is great and deep.
2)
How does it make the sea like a composite of spices?
1.
'Rashi': When it moves from its place, it mixes the water like a mixture of spices.
2.
Ibn Ezra: It boils it strongly. Metzudas David - boiling mixes the contents of a pot.
3.
Malbim: Even if the element of fire would boil the deep water where the Livyasan lives, and make the entire sea like a composite of spices, which should kill everything in the sea... (refer to 41:24:1:3).
