The aggregate of weather conditions over a long period of time is called as:

Correct option is B

The correct answer is (b) Climate
Explanation:
• Climate refers to the average weather conditions over a long period, usually 30 years or more.
• Defined by parameters like temperature, rainfall, humidity, and wind patterns.
• Climate varies from region to region based on latitude, altitude, and proximity to water bodies.
• Weather, on the other hand, refers to short-term atmospheric conditions.
Information Booster:
• The World Meteorological Organization uses a 30-year period to define climatic averages.
• India has diverse climatic zones—tropical, desert, mountain, etc.
Additional Knowledge:
Climatic Index (Option a)
• A numerical tool, not the definition of aggregated long-term weather.
Atmosphere (Option c)
• Refers to the layers of gases around Earth, not long-term weather patterns.
Atmospheric Pressure (Option d)
• Refers to the force exerted by the atmosphere; not related to climate definition.