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Rafa
Jordan
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Why is a light ray drawn as a straight line?
Because lihgt travels in straight lines, proof of this can be found when light is emmited in a dusty atmosphere
Why troposphere called turbulent sphere?
Troposphere is the lowest layer of atmosphere. It extend up to a height of 10km. It is a turbulent and dusty zone as it contains air (N2, O2, CO2 )much water vapours and clouds .
What did people travel in in 1700?
The poor would walk (though they tended to stay near where they live). Richer folk would ride on a horse, a stagecoach, or on a horse-drawn carriage. The roads were little more than tracks, dusty in summer, muddy and badly rutted in winter.
What percentage of gas is in the air?
(Some of) the gases in the air and percentage: Nitrogen - 78.09 % Oxygen - 20.95% Argon - . 93% Carbon Dioxide - .02% -.04% Neon - .0018% Helium - .0005% Krypton - .0001% Hydrogen - .0005% Xenon - .000008% Ozone - .000002% Radon - Traces
How often do disease occur in the population?
It depends on your population growth.Population always increases when someone have given birth.It also decreases when someone passed away.It is called,OVERPOPULATION. when your population was in a city,currently,you will lack food shortage,water and vacant.A city is where many vehicles that blown out dusty smokes that can cause lung diseases.If it's always like that of condition,those diseases may spread into the environment nor to the city/population.It's been 500 diseases that can be spreadable to anyone. Compared to a province,you can live their with no such vehicles that don't have to blow smoke to cause that diseases.It is very quiet,no shortages and have so many stricted area / vacant houses.You can also plant vegetables or plants that can help you for your family.
