The element is sulfur
. This can be determined by looking at the number of
protons
. The element has a valence shell of
16
and
6
valence electrons.

This can be determined by looking at the number of protons.

Explanation:

The atomic number which is the number of protons is the best indicator of what an element is.

Based on the number of protons in an atom, elements are arranged in a definite grouping on the periodic table.

This because, atoms do not readily give off their protons so, it is a good measure of the type of atom one might be dealing with.

coral.

explanation:

coral. many marine organisms that produce calcium carbonate shells or skeletons are negatively impacted by increasing co2 levels and decreasing ph in seawater.

d. temperate deciduous forest