Weather map is a type of map which is most likely to show current air temperatures across a region.
Answer: B. Weather
Explanation:
Weather maps are used to predict temperatures, precipitation, various types of storm warnings, direction of wind and its speed, chance and type of precipitation, accumulation of snow, frost and lots of other aspects associated with weather. The current information about the weather are communicated through weather maps which is updated frequently. They are the world's most regularly consulted thematic maps.
Isobars and isotherms are lines on weather maps which represent patterns of pressure and temperature. These lines indicates the change in pressure and temperature with respect to the space that helps to determine the larger scale weather patterns of a region in the map.