Question

How do you define isobars?

• A. Lines joining regions having the same pressures on the map.
• B. Lines joining regions having different pressures on the map.
• C. Lines joining regions having the same temperatures on the map.
• D. Lines joining regions having different temperatures on the map.

Answer 1

The correct option is A Lines joining regions having the same pressures on the map.

Isobars are lines joining regions having the same pressure on the map. These are used to observe atmospheric pressure changes over an area and to make predictions concerning wind flow.