Identify each of the following as measurements of length, area, volume, mass, density, time, or temperature: (a) $25 \mathrm{ps}$,
(c) $77 \mathrm{~K},(\mathbf{d}) 100,000 \mathrm{~km}^{2},$
(b) $374.2 \mathrm{mg}$
(e) $1.06 \mu \mathrm{m},(\mathrm{f}) 16 \mathrm{nm}^{2}$
$(g)-78^{\circ} \mathrm{C}$
(h) $2.56 \mathrm{~g} / \mathrm{cm}^{3}$,
(i) $28 \mathrm{~cm}^{3}$. [Section 1.4].