The Ferrel Cell is often called the "zone of mixing." Unlike the Hadley and Polar cells, which are driven directly by heat, the Ferrel Cell acts like a gear driven by the other two. It transports heat from the subtropics toward the higher latitudes. The surface winds in this cell move from west to eRead more
The Ferrel Cell is often called the “zone of mixing.” Unlike the Hadley and Polar cells, which are driven directly by heat, the Ferrel Cell acts like a gear driven by the other two. It transports heat from the subtropics toward the higher latitudes. The surface winds in this cell move from west to east (the Westerlies). This is the region where the most significant weather changes occur, as cold air from the poles and warm air from the tropics constantly clash, creating the migratory high and low-pressure systems that characterize the climate of North America, Europe and parts of Asia.
If you are SSC, CGL, CHSL, GD aspirant stop making the same mistakes! Use Competitive Exam Preparation TA Exam to review errors and refine your strategy.
In atmospheric science, albedo determines how much solar energy the planet retains. Darker surfaces, like the ocean or asphalt, have low albedo (around 0.06 to 0.10) and absorb more heat. Brighter surfaces, like ice caps or thick clouds, have high albedo (0.80+) and help cool the planet. As global tRead more
In atmospheric science, albedo determines how much solar energy the planet retains. Darker surfaces, like the ocean or asphalt, have low albedo (around 0.06 to 0.10) and absorb more heat. Brighter surfaces, like ice caps or thick clouds, have high albedo (0.80+) and help cool the planet. As global temperatures rise and sea ice melts, the Earth’s overall albedo decreases. This causes the planet to absorb more heat, leading to further melting—a dangerous cycle known as the “ice-albedo feedback.” This makes understanding the albedo of various atmospheric and surface components critical for climate modeling.
If you are SSC, CGL, CHSL, GD aspirant stop making the same mistakes! Use Competitive Exam Preparation TA Exam to review errors and refine your strategy.
Mount Kilimanjaro, situated in Tanzania, is the highest peak in Africa. It is categorized as a dormant stratovolcano rather than an active one. The mountain features three distinct volcanic cones: Shira, Mawenzi and Kibo. Shira and Mawenzi are considered extinct, meaning they have no magma supply. HRead more
Mount Kilimanjaro, situated in Tanzania, is the highest peak in Africa. It is categorized as a dormant stratovolcano rather than an active one. The mountain features three distinct volcanic cones: Shira, Mawenzi and Kibo. Shira and Mawenzi are considered extinct, meaning they have no magma supply. However, Kibo is technically dormant; it hasn’t erupted for over 360,000 years, but scientists have detected fumaroles and sulfurous gases at its crater, indicating subsurface heat. This distinguishes it from active volcanoes like Etna or Stromboli, which erupt regularly and highlights the geological complexity of the East African Rift system.
Pelean eruptions are the most violent because they involve magma with a very high silica content. This makes the magma thick and sticky, preventing gases from escaping easily. Consequently, a lava dome often forms over the vent, acting like a cork in a pressurized bottle. When the dome fails, it triRead more
Pelean eruptions are the most violent because they involve magma with a very high silica content. This makes the magma thick and sticky, preventing gases from escaping easily. Consequently, a lava dome often forms over the vent, acting like a cork in a pressurized bottle. When the dome fails, it triggers a catastrophic lateral blast. The most terrifying feature is the pyroclastic flow—a dense, turbulent cloud of incandescent ash and gas that can reach temperatures of 1,000 degrees Celsius. These flows move at hundreds of miles per hour, making the Pelean type the deadliest volcanic category.
Mauna Loa is an active shield volcano located in Hawaii and is the largest subaerial volcano on our planet. It is part of the Hawaiian hotspot chain and has erupted thirty-four times since its first well-documented eruption in 1843. This high frequency of activity contrasts sharply with extinct volcRead more
Mauna Loa is an active shield volcano located in Hawaii and is the largest subaerial volcano on our planet. It is part of the Hawaiian hotspot chain and has erupted thirty-four times since its first well-documented eruption in 1843. This high frequency of activity contrasts sharply with extinct volcanoes like Demavand or Chimborazo. Extinct volcanoes have no magma supply and are unlikely to erupt again over geological timescales. Mauna Loa’s frequent basaltic lava flows and monitored seismic activity confirm it is very much alive, making it a critical site for global volcanic research and hazard monitoring.
In the ‘Ferrel Cell’ of global circulation, air at the surface generally moves: (A) From the Poles to 60° (B) From 30° to 60° Latitude (C) From the Equator to 30° (D) Only vertically
The Ferrel Cell is often called the "zone of mixing." Unlike the Hadley and Polar cells, which are driven directly by heat, the Ferrel Cell acts like a gear driven by the other two. It transports heat from the subtropics toward the higher latitudes. The surface winds in this cell move from west to eRead more
The Ferrel Cell is often called the “zone of mixing.” Unlike the Hadley and Polar cells, which are driven directly by heat, the Ferrel Cell acts like a gear driven by the other two. It transports heat from the subtropics toward the higher latitudes. The surface winds in this cell move from west to east (the Westerlies). This is the region where the most significant weather changes occur, as cold air from the poles and warm air from the tropics constantly clash, creating the migratory high and low-pressure systems that characterize the climate of North America, Europe and parts of Asia.
If you are SSC, CGL, CHSL, GD aspirant stop making the same mistakes! Use Competitive Exam Preparation TA Exam to review errors and refine your strategy.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhat is the ‘Albedo’ of a perfectly black body?
In atmospheric science, albedo determines how much solar energy the planet retains. Darker surfaces, like the ocean or asphalt, have low albedo (around 0.06 to 0.10) and absorb more heat. Brighter surfaces, like ice caps or thick clouds, have high albedo (0.80+) and help cool the planet. As global tRead more
In atmospheric science, albedo determines how much solar energy the planet retains. Darker surfaces, like the ocean or asphalt, have low albedo (around 0.06 to 0.10) and absorb more heat. Brighter surfaces, like ice caps or thick clouds, have high albedo (0.80+) and help cool the planet. As global temperatures rise and sea ice melts, the Earth’s overall albedo decreases. This causes the planet to absorb more heat, leading to further melting—a dangerous cycle known as the “ice-albedo feedback.” This makes understanding the albedo of various atmospheric and surface components critical for climate modeling.
If you are SSC, CGL, CHSL, GD aspirant stop making the same mistakes! Use Competitive Exam Preparation TA Exam to review errors and refine your strategy.
Download the app now!
Android: https://play.google.com/store/apps/details?id=com.ta.exam
iOS: https://apps.apple.com/app/id6759824444
See lessWhich of the following is not an active volcano?
Mount Kilimanjaro, situated in Tanzania, is the highest peak in Africa. It is categorized as a dormant stratovolcano rather than an active one. The mountain features three distinct volcanic cones: Shira, Mawenzi and Kibo. Shira and Mawenzi are considered extinct, meaning they have no magma supply. HRead more
Mount Kilimanjaro, situated in Tanzania, is the highest peak in Africa. It is categorized as a dormant stratovolcano rather than an active one. The mountain features three distinct volcanic cones: Shira, Mawenzi and Kibo. Shira and Mawenzi are considered extinct, meaning they have no magma supply. However, Kibo is technically dormant; it hasn’t erupted for over 360,000 years, but scientists have detected fumaroles and sulfurous gases at its crater, indicating subsurface heat. This distinguishes it from active volcanoes like Etna or Stromboli, which erupt regularly and highlights the geological complexity of the East African Rift system.
See lessWhich of the following types of volcanoes has the most explosive eruption?
Pelean eruptions are the most violent because they involve magma with a very high silica content. This makes the magma thick and sticky, preventing gases from escaping easily. Consequently, a lava dome often forms over the vent, acting like a cork in a pressurized bottle. When the dome fails, it triRead more
Pelean eruptions are the most violent because they involve magma with a very high silica content. This makes the magma thick and sticky, preventing gases from escaping easily. Consequently, a lava dome often forms over the vent, acting like a cork in a pressurized bottle. When the dome fails, it triggers a catastrophic lateral blast. The most terrifying feature is the pyroclastic flow—a dense, turbulent cloud of incandescent ash and gas that can reach temperatures of 1,000 degrees Celsius. These flows move at hundreds of miles per hour, making the Pelean type the deadliest volcanic category.
See lessWhich of the following is not an extinct volcano? (A) Mauna Loa (B) Demavand (C) Chimborazo (D) Koh-i-Sultan
Mauna Loa is an active shield volcano located in Hawaii and is the largest subaerial volcano on our planet. It is part of the Hawaiian hotspot chain and has erupted thirty-four times since its first well-documented eruption in 1843. This high frequency of activity contrasts sharply with extinct volcRead more
Mauna Loa is an active shield volcano located in Hawaii and is the largest subaerial volcano on our planet. It is part of the Hawaiian hotspot chain and has erupted thirty-four times since its first well-documented eruption in 1843. This high frequency of activity contrasts sharply with extinct volcanoes like Demavand or Chimborazo. Extinct volcanoes have no magma supply and are unlikely to erupt again over geological timescales. Mauna Loa’s frequent basaltic lava flows and monitored seismic activity confirm it is very much alive, making it a critical site for global volcanic research and hazard monitoring.
See less