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  • line that is at 180 degree
    International Date line
  • challenges faced by hot desert region
    global warming, over irrigation, over grazing, off road vehicles
  • Why temperature changes with latitude?
    places near equator receive the direct rays while those away get slanting rays
  • Draw and explain winter in the NH
    NH tilted away
  • Explain how winds affect climate?
    moisture/ raise temp./ lower temp
  • 2 effects of rotation of the Earth
    day and night/ the sun the moon and the stars appear to rise in the east and set in the west
  • Seasons are caused by____and____.
    the revolution of the Earth and the tilt of the Earth's axis
  • 4 features of parallels
    run east to west/are at an equal distance/ decrease in size/ are comple circles
  • T/F- Meridians mark the distance of a place east or west of the Prime Meridian .
    True
  • What is the IDL?/ degree?/importance?
    International date Line/180/the calendar date changes
  • explain autumn equinox in the NH by drawing the position of the earth
    23rd sept
  • How latitude influences climate?
    closer to equator- hotter......
  • Why is the humidity very high in the EQ region?
    .....due to the presence of many water bodies and the forests
  • extent of the Torrid Zone
    from 23 1/2 degree north to 23 1/2 degree south of the equator OR from the Tropic of Cancer to the Tropic of Capricorn
  • 4 features of meridians
    are semi circles/ run North to South/ meet at poles/are 360
  • T/F- Places that are inland / interior of continents experience extreme climate.
    T
  • location of the hot desert region
    between 15 degrees to 30 degrees N S of the Equator
  • Name any 2 tribes found in the desert regions with their respective areas.
    Bedouin in the Arabian desert/ the San in the Kalahari/ the Pintupi in the Australian desert
  • The Amazon rainforest is found in ______.
    South America
  • Why do we find luxuriant growth of vegetation in the EQ region?
    ....high temperature and heavy rainfall
  • imaginary lines that run in an east-west direction
    latitudes
  • meaning of precipitation
    rain, snow, sleet
  • name the tribes found in Malaysia and Indonesia
    the Semangs , the Dayaks
  • location of hot and wet equatorial region
    10 degree to 15 degree N and S of the Equator
  • 0 degree latitude
    equator
  • How altitude influences climate?
    closer to plains- hotter......higher we go- cooler it is
  • Places with higher humidity experience ______.
    more precipitation
  • name 3 deserts found in Asia
    the Thar , the Arabian and the Iranian
  • TILT OF THE EARTH'S AXIS
    23 1/2 degrees
  • Climate of the Equatorial region is hot throughout the year. Why?
    .....receives direct rays of the sun
  • Summer Solstice in the NH falls on______.
    21st June
  • Why does the temperature vary between day and night ?
    no moisture-no clouds to block heat
  • 0 degree longitude
    Prime Meridian
  • On which basis do we decide a place is a desert or not?
    precipitation
  • name the latitudes that lie in the NH
    T .of cancer, Arctic Circle and the North Pole
  • 2 human activities that pose challenge to desert regions
    over irrigation / deforestation / over grazing
  • meaning of irrigation
    watering crops
  • spring equinox in the NH-explain
    21st march/ neither poles are tilted towards the sun/ equal day and night/equator receives direct rays
  • Tribals in the Equatorial region practise ____kind of cultivation.
    shifting agriculture
  • 4 features of a desert
    rainfall less than 25 cms/ 10 inches, dry and arid land, sparse vegetation and extreme climate
  • name the 4 layers of the rainforest
    the emergent layer, the canopy, the understorey and the forest floor
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