The correct answer is D) The take cabin space makes it easier for the disease to spread.
Considering the dangers associated with spreading disease, people who were affected by communicable diseases are told not to travel on airplanes because "The take cabin space makes it easier for the disease to spread."
When you travel by airplane, the space in the cabin is so tight and the ventilation process is slow. Depending on the size of the plane, you are traveling with other 50 to 180 passengers who probably carry cold or throat viruses. If you spend one, two, three hours of flight, people are breathing everybody's breath. That is why it is recommended for these kinds of people not to travel by plane.
The aspect of climate related to cultivation of new crops
Explanation:
The succesfull spreading of crops around the mediterranean sea can be seen as a proof of an outstanding climate in this area that allows for cultivation of new crops in places that are very different from the country of origen.
It set up a limited monarchy in place of the absolute monarchy that had ruled France for centuries. It reflected enlightenment ideas by ensuring equality before the law for all male citizens and ended Church interference in government.