2010 was a significant year in climate science as it tied with 2005 as the warmest year globally at that time. The year started with a strong El Niño phase, which naturally warms the planet. Even as El Niño transitioned into a cooling La Niña phase later in the year, the average global temperaturesRead more
2010 was a significant year in climate science as it tied with 2005 as the warmest year globally at that time. The year started with a strong El Niño phase, which naturally warms the planet. Even as El Niño transitioned into a cooling La Niña phase later in the year, the average global temperatures remained exceptionally high. This underscored the fact that greenhouse gas-driven warming was becoming the dominant force in global climate, as even “cooling” phases were now warmer than previous “heating” phases from earlier decades.
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The ozone layer isn't a solid "sheet," but a region of gas within the stratosphere. While the stratosphere itself goes up to 50 km, the majority of ozone molecules are clustered much lower, averaging about 20 km in altitude. At this height, the balance of oxygen and solar radiation is perfect for thRead more
The ozone layer isn’t a solid “sheet,” but a region of gas within the stratosphere. While the stratosphere itself goes up to 50 km, the majority of ozone molecules are clustered much lower, averaging about 20 km in altitude. At this height, the balance of oxygen and solar radiation is perfect for the “Ozone-Oxygen Cycle.” If the ozone were at sea level, it would be a toxic pollutant (smog), but at 20 km high, it is a vital shield that absorbs over 97% of high-frequency ultraviolet light, making it the most important biological filter in the atmosphere.
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Deserts are not just about heat; they are about high pressure. In the Subtropical High-Pressure belts, the air is "subsiding" or sinking. Sinking air is the enemy of rain because it inhibits the upward movement of moisture needed to form clouds. As the air descends, its relative humidity drops, leadRead more
Deserts are not just about heat; they are about high pressure. In the Subtropical High-Pressure belts, the air is “subsiding” or sinking. Sinking air is the enemy of rain because it inhibits the upward movement of moisture needed to form clouds. As the air descends, its relative humidity drops, leading to clear skies and intense evaporation. This is why the 30-degree latitude marks in both the Northern and Southern Hemispheres are home to the most arid regions on Earth. Without rising air, there is no condensation and without condensation, there is no rain.
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The calm belt exists because the Equator is the Earth's primary heat engine. When we speak of "calm" in a meteorological sense, we mean the absence of horizontal surface winds. Around the Equator, the air is occupied with vertical motion—rising high into the troposphere to begin the Hadley Cell cyclRead more
The calm belt exists because the Equator is the Earth’s primary heat engine. When we speak of “calm” in a meteorological sense, we mean the absence of horizontal surface winds. Around the Equator, the air is occupied with vertical motion—rising high into the troposphere to begin the Hadley Cell cycle. This leaves the surface with very little lateral air movement. This belt is essential to the global climate because it acts as the starting point for the moisture and heat transport that eventually feeds weather systems in the temperate and polar regions.
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The Earth's pressure system is symmetrical. At the center is the Equatorial Low (1). Moving outward, you find the Subtropical Highs in both hemispheres (2), which are zones of sinking air. Further toward the poles are the Subpolar Lows (2), where air rises again due to the meeting of different air mRead more
The Earth’s pressure system is symmetrical. At the center is the Equatorial Low (1). Moving outward, you find the Subtropical Highs in both hemispheres (2), which are zones of sinking air. Further toward the poles are the Subpolar Lows (2), where air rises again due to the meeting of different air masses. Finally, the Polar Highs (2) exist at the extreme top and bottom of the world where air is coldest and densest. Together, these seven belts act as the primary drivers for the world’s permanent wind systems, such as the Trades and the Westerlies.
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Which of the following years is considered one of the three warmest years?
2010 was a significant year in climate science as it tied with 2005 as the warmest year globally at that time. The year started with a strong El Niño phase, which naturally warms the planet. Even as El Niño transitioned into a cooling La Niña phase later in the year, the average global temperaturesRead more
2010 was a significant year in climate science as it tied with 2005 as the warmest year globally at that time. The year started with a strong El Niño phase, which naturally warms the planet. Even as El Niño transitioned into a cooling La Niña phase later in the year, the average global temperatures remained exceptionally high. This underscored the fact that greenhouse gas-driven warming was becoming the dominant force in global climate, as even “cooling” phases were now warmer than previous “heating” phases from earlier decades.
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See lessApproximately how high above the Earth is the ozone layer? (A) 2000 km (B) 20 km (C) 50 km (D) 300 km
The ozone layer isn't a solid "sheet," but a region of gas within the stratosphere. While the stratosphere itself goes up to 50 km, the majority of ozone molecules are clustered much lower, averaging about 20 km in altitude. At this height, the balance of oxygen and solar radiation is perfect for thRead more
The ozone layer isn’t a solid “sheet,” but a region of gas within the stratosphere. While the stratosphere itself goes up to 50 km, the majority of ozone molecules are clustered much lower, averaging about 20 km in altitude. At this height, the balance of oxygen and solar radiation is perfect for the “Ozone-Oxygen Cycle.” If the ozone were at sea level, it would be a toxic pollutant (smog), but at 20 km high, it is a vital shield that absorbs over 97% of high-frequency ultraviolet light, making it the most important biological filter in the atmosphere.
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See lessIn which of the following belts are all the world’s hot deserts located?
Deserts are not just about heat; they are about high pressure. In the Subtropical High-Pressure belts, the air is "subsiding" or sinking. Sinking air is the enemy of rain because it inhibits the upward movement of moisture needed to form clouds. As the air descends, its relative humidity drops, leadRead more
Deserts are not just about heat; they are about high pressure. In the Subtropical High-Pressure belts, the air is “subsiding” or sinking. Sinking air is the enemy of rain because it inhibits the upward movement of moisture needed to form clouds. As the air descends, its relative humidity drops, leading to clear skies and intense evaporation. This is why the 30-degree latitude marks in both the Northern and Southern Hemispheres are home to the most arid regions on Earth. Without rising air, there is no condensation and without condensation, there is no rain.
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Download the app now!
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See lessThe calm belt is found on both sides of which line?
The calm belt exists because the Equator is the Earth's primary heat engine. When we speak of "calm" in a meteorological sense, we mean the absence of horizontal surface winds. Around the Equator, the air is occupied with vertical motion—rising high into the troposphere to begin the Hadley Cell cyclRead more
The calm belt exists because the Equator is the Earth’s primary heat engine. When we speak of “calm” in a meteorological sense, we mean the absence of horizontal surface winds. Around the Equator, the air is occupied with vertical motion—rising high into the troposphere to begin the Hadley Cell cycle. This leaves the surface with very little lateral air movement. This belt is essential to the global climate because it acts as the starting point for the moisture and heat transport that eventually feeds weather systems in the temperate and polar regions.
Crack SSC CGL 2026 with Competitive Exam Preparation (TA Exam). Access free mock tests, analyze mistakes and boost your exam accuracy today.
Download the app now!
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See lessHow many pressure belts are there on the globe? (A) 7 (B) 9 (C) 5 (D) 6
The Earth's pressure system is symmetrical. At the center is the Equatorial Low (1). Moving outward, you find the Subtropical Highs in both hemispheres (2), which are zones of sinking air. Further toward the poles are the Subpolar Lows (2), where air rises again due to the meeting of different air mRead more
The Earth’s pressure system is symmetrical. At the center is the Equatorial Low (1). Moving outward, you find the Subtropical Highs in both hemispheres (2), which are zones of sinking air. Further toward the poles are the Subpolar Lows (2), where air rises again due to the meeting of different air masses. Finally, the Polar Highs (2) exist at the extreme top and bottom of the world where air is coldest and densest. Together, these seven belts act as the primary drivers for the world’s permanent wind systems, such as the Trades and the Westerlies.
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Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See less