ESS
Grade-10
Easy

Question

The ‘West Wind Drift’ belongs to___________.

  1. Tidal occurrence
  2. Wind system
  3. Wave phenomenon
  4. Ocean current

hintHint:

Ocean current

The correct answer is: Ocean current


    • The west wind drift belongs to ocean currents.
    • So, the correct option is d.

    • Antarctic Circumpolar Current or West Wind Drift is the largest and most important ocean current in the southern hemisphere.

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    Other than wind, ______________is the most important factor that affects the movement of ocean water at the surface.

    • Ocean currents are the continuous, predictable, directional movement of seawater driven by gravity, wind , Coriolis Effect and water density. 
    • The Coriolis effect is strongest near the poles and is absent at the equator.

    Other than wind, ______________is the most important factor that affects the movement of ocean water at the surface.

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    • Ocean currents are the continuous, predictable, directional movement of seawater driven by gravity, wind , Coriolis Effect and water density. 
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    The Westerlies are__________.

    • Westerlies are the Permanent winds that blow in the middle latitudes.
    • The winds that change their direction with onsets of different seasons are called seasonal winds.
    • Variable winds are those winds which blow in a small area and are related to the pressure systems.
    • Mesoscale winds are better known as local winds or regional winds. These wind channels extend over long distances around the Earth.

    The Westerlies are__________.

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    • Westerlies are the Permanent winds that blow in the middle latitudes.
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    • Variable winds are those winds which blow in a small area and are related to the pressure systems.
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    Ocean currents can be triggered by ______________.

    • Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms.

    Ocean currents can be triggered by ______________.

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    • Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms.

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    Ocean currents have_____________.

    • By moving heat from the equator toward the poles, ocean currents play an important role in controlling the climate.

    Ocean currents have_____________.

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    • By moving heat from the equator toward the poles, ocean currents play an important role in controlling the climate.

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    ______ is defined as a movement of ocean water with a usual pattern.

    ______ is defined as a movement of ocean water with a usual pattern.

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    What is the effect of altitude on temperature? 

    • Air at higher altitude is under less pressure than air at lower altitude because there is less weight of air above it.
    • So it expands and cools.

    What is the effect of altitude on temperature? 

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    • Air at higher altitude is under less pressure than air at lower altitude because there is less weight of air above it.
    • So it expands and cools.

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    ________is the strongest evidence for climate change. 

    ________is the strongest evidence for climate change. 

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    The given image shows______________. 
    Climate Change in the Recent Past: A Scientific Exploration | Elan Ness-Cohn

    The given image shows______________. 
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    _________is the Earth's slow vibration as it spins on its axis. 

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    _________is the Earth's slow vibration as it spins on its axis. 

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    • Eccentricity measures how much the shape of Earth's orbit departs from a perfect circle.
    • The angle of Earth's axis of rotation is tilted as it travels around the Sun is known as obliquity.

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    _________explains the angle of tilt of the Earth's axis of rotation. 

    _________explains the angle of tilt of the Earth's axis of rotation. 

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    The following image shows____________. 
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    • Precession is defined as the slow change in the direction of Earth's rotational axis.
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    Changes of seasons are caused by____________. 

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    The Earth's orbit is __________ in shape. 

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    Earth's orbit is not circular or round but it's elliptical.

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    Earth orbits____________. 

    Planets of solar system revolves around Sun.

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    Planets of solar system revolves around Sun.

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