Read this first sentence of a summary of the passage
When hot magma heats trapped underground
water, the water can explode from the ground in
the form of a geyser.
Based on the information in the passage, which
sentence would BEST complete the summary?
There are two famous geysers in Yellowstone
National Park, they are named Old Faithful and
Steamboat Geyser.
Because of changes in water temperature, geysers
are becoming less predictable and their numbers
are decreasing worldwide.
One famous American geyser erupts with such
regularity that it is named Old Faithful, but due to
shifting magma, geysers are generally,
unpredictable
Drilling for geothermal power has released so much