Yes I’m pretty sure......
Answer:
Rocks that undergo a change to form a new rock are referred to as metamorphic rocks. ... Sedimentary rocks were originally sediments, which were compacted under high pressure. Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened
Answer:
I don't think so, it will just go slower because the ocean is denser
Explanation:
Being as hydrogen is the lightest element it works most efficiently as lift in our atmosphere which is mostly made of heavier nitrogen.