To locate the explanation of the colors on a map, you should look for a
a. compass
c. key
b. scale
d. chart

The answer is:

C) Key

Hope it helps!

The answer to locate the explanation of colours on a map is option C. KEY

Explanation: Key helps in unravelling all the information listed on the maps. It is usually a box located at the corner of the map.

In a map, the colours included have some particular information they denote. In other to understand what the information is about, it is important the information is explicitly stated in other for the map to make sense for the reader. Therefore, the KEY is where the explanations can be gotten.

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks