Question

key
▲ depth
■ water temperature
time (min)
twelve minutes into the dive, gabrielas temperature gauge was showing a tempe
○ 77 degrees.
○ 79 degrees.
○ 81 degrees.
○ 83 degrees.

Explanation:

Locate 12 minutes on the x-axis (between 10 and 15 minutes). Follow the vertical line to the blue square line (water temperature), then read the corresponding value on the right y-axis, which is 77 degrees.

Answer:

77 degrees.