What is the best definition
of the atomic number?
A. The number of protons found in the
nucleus.
B. The number of protons found
outside the nucleus.
C. The number of neutrons found in
the nucleus.

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.

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plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.