Choose the Most Reasonable Metric Unit for Each Blank $\mathrm{g}$ B) $\mathrm{kg}$

Choose the most reasonable metric unit for each blank.
-Each apple weighs 90

A) $\mathrm{g}$
B) $\mathrm{kg}$
C) $\mathrm{mg}$
D) $\mathrm{L}$