40as
which of the following statements about the physical geography of latin america is false?
a the longest mountain range in the world is found in latin america,
the panama canal is partially man made
rivers meet the ocean atestuaries such as the rio de la plata,
el nino is a series of volcanic eruptions caused by tectonic activity
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The statement 'El Nino is a series of volcanic eruptions caused by tectonic activity' is false.

Explanation:

The phenomenon of El Nino is associated with the rising of temperature levels of the waters in the central Pacific. When the water temperature in the 'central Pacific ocean' rises above a certain level and maintains itself for a long period of time, it is said to be the occurrence of El Nino. It is because of the emergence of El Nino that most areas in the world experience variation in the normal precipitation patterns.

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.