Question

The U.S. Global Chang Research Programexamined data for evidence of global climate change. This graph shows the average yearly ground temperature at a depth of 65.5 feet. This depth is a typical mea sure of permafrost, indicative of ground frozen solid, between 1978 and 2008 in Deadhorse, a town in northem Alaska. 20 18 16 i 14 12 10 1975 1985 1995 2005 Which of these statements about the data is true? There is aclear upward trend but no cyclical pattern. There is neither a clear trend nor acyclical patem There is aclear upward trend as well as a clear cycliral pattern.

Answer 1

First is true that there is upward trend but not cyclical pattern because in cyclical pattern exist when data fall and rise not for a fixed period like