ESS
Grade-10
Easy

Question

Ocean currents can be triggered by ______________.

  1. Wind
  2. Density variation in water due to temperature
  3. Salinity difference in water
  4. All of the above

hintHint:

All of these

The correct answer is: All of the above


    • Ocean currents can be triggered by wind, density variations in water due to temperature and salinity difference in water.
    • So, the correct option is d.

    • 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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    ______ 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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    Horizontal movement of ocean water due to wind on the surface of ocean is called

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

    • 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.

    _________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.
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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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    Eccentricity of earth's orbit. | Download Scientific Diagram

    • Precession is defined as the slow change in the direction of Earth's rotational axis.
    • The angle of Earth's axis of rotation is tilted as it travels around the Sun is known as obliquity.

    The following image shows____________. 
    Eccentricity of earth's orbit. | Download Scientific Diagram

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    • Precession is defined as the slow change in the direction of Earth's rotational axis.
    • The angle of Earth's axis of rotation is tilted as it travels around the Sun is known as obliquity.

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    Changes of seasons are caused by____________. 

    Changes of seasons are caused by____________. 

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    What change can be seen in living things as climate change? 

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    The Earth's orbit is __________ in shape. 

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

    The Earth's orbit is __________ in shape. 

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    Earth orbits____________. 

    Planets of solar system revolves around Sun.

    Earth orbits____________. 

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    Planets of solar system revolves around Sun.

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    What will happen if human impact of greenhouse gas is reduced? Changes in Earth's orbit, solar output, and other factors affect changes in the climate. Suppose if we removed the human impacts of greenhouse gas discharges what could be the climate doing currently on its own? 

    • If all the factors were removed then Earth will cool down drastically.
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    __________is not associated with climate change. 

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