Countries having an isotherm of above 10 degrees are Fiji and India; whereas the countries with an isotherm of below 10 degrees are Iceland and Russia.
What is an isotherm?
Isotherm is a line, which is placed on a map, which connects to the two points on a map having same temperature. This basically indicates the average temperature in these regions.
In countries like India and Fiji, the temperature is generally hotter and during winters it does not drop below 10 degrees in the majority of their regions, and they lie on an isotherm of above 10 degrees.
Similarly, in countries like Russia, the temperature lies below 10 degrees as these countries are located farther from the equator compared to countries like India and Fiji.
Hence, countries like India and Fiji lie on an isotherm of above 10 degrees, and Iceland and Russia lie on an isotherm of below 10 degrees.
Learn more about isotherm here:
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