Question

question 11 (multiple choice worth 2 points) oss.03the graph below shows the averaged sunspots from 1610 to 2007. yearly averaged sunspot numbers 1610 - 2007 source: http://science.nasa.gov/science - news/science - at - nasa/2008/11jul_solarcycleupdate/ based on the graph, which of these conclusions is correct? sunspots increase with time. earths temperatures rise every year. sunspots spike about every 10 years. global climate changes every 5 years.

Explanation:

By observing the graph of yearly - averaged sunspot numbers from 1610 - 2007, we can see that the peaks (spikes) in sunspot numbers occur approximately every 10 years. There is no clear trend of sunspots increasing with time. The graph only shows sunspot numbers and not Earth's temperatures or global climate changes.

Answer:

Sunspots spike about every 10 years.