d. helium 7. In 2010, what was seen in Saturn's northern hemisphere? a. a huge storm b. a meteor impact c. volcanic activity d. distinct bands

## Step 1<br />The problem is asking about a specific event that occurred in Saturn's northern hemisphere in 2010. The options provided are: a huge storm, a meteor impact, volcanic activity, and distinct bands.<br />## Step 2<br />Based on the information provided, in 2010, Saturn's northern hemisphere was seen with a huge storm. This storm was a significant event and was widely observed and studied by astronomers and scientists.<br />## Step 3<br />The other options, such as a meteor impact, volcanic activity, and distinct bands, are not the correct answer because they did not occur in Saturn's northern hemisphere in 2010.