Question

geo-what? \geocaching\ is an outdoor treasure-hunting game. geocachers, or \cachers,\ use a navigation system called gps to track down containers hidden by other players. the hidden containers can be found in all kinds of places, anywhere from a city street corner to a national park. the treasure inside could be a small item to trade or track. or it could be a clue to find a new cache. caches come in all shapes and sizes. some are even fake... what does this photograph tell you? fill in the blanks to explain. the photo gives more information about the containers, hiding places, geocachers. it shows...

Explanation:

The photograph shows different types of containers used in geocaching (like a fake rock, a log - like container, and an official geocache box). The options are "the containers", "hiding places", and "geocachers". Since the photo depicts the actual containers used for geocaching, not the hiding places or the geocachers themselves, the correct option is "the containers".

Answer:

the containers