In a scientific investigation of lakes, the depth of a lake is most likely to be measured in
a. liters
b. miles
c. grams
d. meters

d: meters

Explanation:

A lake is a large water body surrounded by dry land. The depth of a lake is simply the distance from the top or the surface to the bottom of the lake.

In science, the metric system (Système International) for measuring distance is the meter. Apart from the fact that it is the internationally acceptable standards for measurement among scientists, the metric system also have some advantages as opposed to other systems of measurement. These include;

Most non-metric system units are used for political, historical or convenience reasons. Hence, with every other things being equal in a scientific investigation of lakes, the depth  is most likely to be measured in meters.

The correct option is d.