Answer:
Look below
Explanation:
Basically, the relationship between hermit crabs and gastropods is that when a gastropod dies, the hermit crabs will use their empty shells as their new home until they don't fir inside of it anymore.
Hope this helps :)
Answer:
I think coniferous forest is the answer
I think it is fossil fuel .. might be wrong tho
the element is zirconium, formulae: Zr