Answer:
4
Explanation:
Mars Odyssey and Mars Express required spectrometric equipment that could analyze Mars's atmosphere
it's very practical, because it's on base 10, so conversion between stuff like meters to kilometer is always just a multiplication with 10 to some power
like 1 km = 1000m (10³m)
or 1 m = 10^-3km = 0.001km
same reason for other SI units.
except time, that's base 60, or 12, or 24. that's more complicated, but there isn't any real competition
The choice would be B/2: The average temperature during the summer in Michigan is 79 degrees.
