Answer:
3
Explanation:
We need a step by step solution to solve a problem or a question.
Explanation:
Mostly the commercial flights fly at the altitude of 10 -12 km .
The range is in between the upper most part of the troposphere to the lower part of the stratosphere .
Since ,
At this height ,
<u>The air is dense enough to generate the sufficient lift .
</u>
Since , the lift is generated due to the difference in the pressure of air , between the top and the bottom of the wing .
As we go beyond 15 km , where the ozone layer is present , the pressure of sir reduces at this altitude ,
And , the plane are not able to fly at this , as ,
the lift is not generated , due to reduced air pressure .
Tectonic plates, although rigid, also move. And they move in rebound, because of the tremendous heat that comes out of the interior of our planet, which burns at 6.7500º C, almost like the sun. This fiery heat moves the mantle and consequently expands into the lithosphere and Earth's crust.
Explanation:
the countries are associated to the following
- trade
- import
- export
- education
- jobs
- world recognition
Answer:
Mafic minerals are usually dark in color and have relatively high specific gravities (greater than 3.0). ... Felsic minerals are usually light in color and have specific gravities less than 3.0. Common felsic minerals include quartz, muscovite mica, and the orthoclase feldspars.