Nevada has several gaps in the belt of historic seismicity, suggesting residents in these seismic gaps may be in for some future earthquakes. 1. True
2. False

1. True

Explanation:

A seismic gap is an active fault known for making significant earthquakes and states that after a long period of time the displacement of any segments along the fault can lead to earthquakes. Any large and long standing gaps are thus considered to be under future earthquakes. Example of the san Andreas faults that have recorded seismic activity.

The answer would be (c), mass extinctions

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast.