Question

size of inner planets
diameter (thousands km)
14
12
10
8
6
4
2
0
earth mars mercury venus
planets
which order shows the size of the inner planets from smallest to largest?
earth, venus, mars, mercury
mars, earth, mercury, venus
venus, mars, mercury, earth
mercury, mars, venus, earth

Explanation:

By observing the bar - chart, we can see that Mercury has the smallest diameter, followed by Mars, then Venus, and Earth has the largest diameter among the inner planets.

Answer:

Mercury, Mars, Venus, Earth