As elements of Group 15 of the Periodic Table are considered in order from top to
bottom, the metallic character of the atoms of each successive element generally
(1) increases
(2) decreases
(3) remains the same

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.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

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