To determine which location is most likely closest to the ocean, we need to consider the difference between the average temperatures in April and October. Locations near the ocean generally have smaller temperature fluctuations due to the moderating effect of the water. Therefore, the location with the smallest temperature difference is likely the one closest to the ocean.
Let's review the differences given in the table:
- Location A: 4.5 degrees Celsius
- Location B: 1.7 degrees Celsius
- Location C: 6.8 degrees Celsius
- Location D: 4.0 degrees Celsius
From these values, we can see that the smallest temperature difference is 1.7 degrees Celsius at Location B. Hence, Location B, with the smallest temperature difference, is most likely closest to the ocean.
So, the correct answer is:
Location B