Tag: elements of weather and climate :humidity

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Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is __________________.

  1. discharge of effluents into neutral or slightly alkaline land where the acidic components precipitate

  2. emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning the fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain

  3. natural carbondioxide released during respiraion of living organisms dissolves in water, forming carbonic acid which is chief contributor to acidity in rain water

  4. chloroflurocarbons readily react with various chemicals near the earth's surface, producing acidic intermediates which cause acid precipitation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

Cloud, snow, sleet and hail are the forms of __________.

  1. Plants

  2. Precipitation

  3. Soil

  4. Pressure
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Precipitation is any type of water that forms in the Earth's atmosphere and then drops onto the surface of the Earth.

The rain that falls from clouds but freezes before it reaches the ground is called sleet or ice pellets.

Snow is precipitation that falls in the form of ice crystals

Hail  forms when very cold water droplets freeze, or turn solid, as soon as they touch things like dust or dirt

Water vapor in the atmosphere is visible as clouds and fog.

Multiple choice geography hydrologic cycle the atmosphere elements of weather and climate :humidity hydrologic cycle and its components elements of weather and climate : temperature

When water particles condenses on air and dust, it forms __________.

  1. mist

  2. fog

  3. frost

  4. vapour
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It forms mist. It is a phenomenon caused by the small water droplets of water suspended in the air. When the warm moist air meets the sudden cooling, mist is formed.

Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

In air, amount of water vapor is classified as ______.

    1. wind

    2. precipitation

    3. humidity

    4. temperature
    Reveal answer Fill a bubble to check yourself
    C Correct answer
    Explanation

    The amount of water vapor in the air is known as humidity. It can make hot temperatures even more unbearable than they already are. It affects both weather as well as climate. It also affects global climate change. Both low humidity as well as high humidity is harmful for us. Humidity is of two types:- Absolute humidity and Relative humidity.

    Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

    The process by which water continually changes its form and circulates between oceans, atmosphere and land.

    1. Water cycle

    2. Tides

    3. Ocean currents

    4. Rain water
    Reveal answer Fill a bubble to check yourself
    A Correct answer
    Explanation

    The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as water cycle. In the water cycle, water from oceans, lakes, swamps, rivers, plants can turn into water vapour. Water vapour condenses into millions of tiny droplets that form clouds. Clouds lose their water as rain or snow, which is called precipitation. Precipitation is either absorbed into the ground or runs off into rivers. Plants take up the water that was absorbed into the ground. Plants lose water from their surfaces as vapour that goes back into the atmosphere. Water that runs off into rivers flows into ponds, lakes, or oceans where it evaporates back into the atmosphere. This cycle continues.

    Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

    When precipitation comes down to the earth in the liquid form, it is called.

    1. Cloud

    2. Rain

    3. Snow

    4. Water
    Reveal answer Fill a bubble to check yourself
    B Correct answer
    Explanation
    Precipitation is part of the water cycle. In the water cycle, water from oceans, lakes, swamps, rivers, plants can turn into water vapor. Water vapor condenses into millions of tiny droplets that form clouds. Clouds lose their water as rain or snow, which is called precipitation. When precipitation comes down to the earth in the liquid form, it is called rain. People rely on precipitation for freshwater to drink, bath, and irrigate crops for food.
    Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

    ____________ is the stage of group formation in which the group development takes place and is characterised by intragroup conflict.

    1. Forming

    2. Storming

    3. Norming

    4. Performing
    Reveal answer Fill a bubble to check yourself
    B Correct answer
    Explanation

    According to Tuckman's model of group development, the 'storming' stage is characterized by conflict and competition as members push boundaries and establish roles.

    Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

    Vernal pools are among the most _______of ponds: they form as a result of snow melt and a high water table in winter, and then they _______by late summer. 

    1. Transitory .. expand

    2. Anachronistic .. overflow

    3. Immutable .. drain

    4. Itinerant .. teem

    5. Ephemeral .. evaporate
    Reveal answer Fill a bubble to check yourself
    E Correct answer
    Explanation

    Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. 

    A  vernal pool basin will experience inundation from rain/precipitation, followed by desiccation from evapotranspiration. These conditions are commonly associated with a Mediterranean climate. Most pools are dry for at least part of the year and fill with the winter rains, spring snowmelts, and rising water tables. Some pools may remain at least partially filled with water over the course of a year or more, but all vernal pools dry up periodically.

    Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

    Elements of weather are  _____________.

    1. Rainfall

    2. Sunshine

    3. Wind

    4. All of these
    Reveal answer Fill a bubble to check yourself
    D Correct answer
    Explanation

    The state of atmosphere over an area at any point of time is known as weather. It is the state of the atmosphere over short periods of time. Weather can change from hour to hour, day to day, month to month or even year to year.

    Following are the major elements of weather: -

    1. Temperature
    2. Pressure
    3. Humidity
    4. Precipitation
    5. Wind

    Multiple choice geography humidity and clouds atmosphere and its structures elements of weather and climate : temperature what is around us? the atmosphere elements of weather and climate :humidity

    Which of the following is not an element of weather?

    1. Temperature

    2. Humidity

    3. Visibility

    4. Sunlight
    Reveal answer Fill a bubble to check yourself
    D Correct answer
    Explanation
    • Weather is the state of the atmosphere at a particular place and time. Temperature, humidity, and visibility are the atmospheric phenomena hence part of the weather.
    • Sunlight is independent of the atmosphere, thus option D is correct.