The answer to the question is : B: 6;6
<span>There are __6__ different types of air masses that coming from _6___ different locations that influence the weather in North America., namely :
a) </span>Continental Polar ; Large sub polar land area b) Continental Arctic ; Canada, United States c) Continental Antarctic ; Antartica d) Continental Tropical ; Sahara, Arabian & Australian Deserts e) Maritime Polar ; Polar Oceans f) <span>Maritime Tropical ; Rocky Mountains</span>
<span> The three zones of latitude :
i) Tropics till 23º.45 (between ± 23º.45)
ii) Temperate zone between 23º.45 to 66º.55. in both Hemispheres
iii) Polar Caps between 66º.55 to 90º, in both Hemispheres.
There are six major climate regions :
1. Tropical rain forests
2. Tropical grasslands (Savannah)
3. Deserts - China climate (from West to East)
4. Mediterranean climate - Temperate grasslands (Steppes, Prairie, Pampa, Veld, Downs)
5. Temperate rain forests - Taiga (from West to East)
6. Polar Ice caps
The matching is ---
1,2 : i)
3,4,5 : ii)
6 : iii) </span>
Canada and Mexico . are the two countries
With demand of technology the space exploration advancement is also increasing.
Explanation:
Due to the advancement of technology the demand for the space industry is also increasing. As new technologies have arrived we can go into the galaxies so that we can explore the territories which have not been discovered. Also we come across new phenomena.
As huge investment is done in various government space programme we are now able to achieve our dreams that we we once used to watch in television.
The data that are received are used in various research and development purpose and also helps in predicting when will craft re-enter orbit. Vast data are necessary for the mission .
