Evidence for sea-floor spreading has come from a.
changes in the
depth of the ocean.
c.
ancient climatic
conditions.
b.
magnetic minerals
on the
ocean floor.
d.
the breakup of
Pangaea.

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.