They have same chemical properties
for example the elements of group VIII are called noble gases .They are unreactive, odorless and colorless.
It can uplift slowly due to the pressure of Earth’s plates.
It can melt into magma and recrystallize as extrusive igneous rock.
C. because it doesn't break down without chemicals, so it would eventually just pile up.
we need the cholride solution Part B to answer your question