I think the answer is <span>D) when evaluating a source for authority</span>
The meter is the basic measurement unit for length. It has submultiples (centimeter, milimeter, micrometer) and multiples (kilometer).
100 cm = 1 m
1000 mm = 1 m
1000000 micrometers = 1 m
1000 m = 1 km
The consumers have a lot of choices for them to eat!