Based on the options provided, the most probable answer to this question is increase. The landmass that was controlled by Europe from 1800 to 1900s increased.
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<span><span>Earth's atmosphere traps energy from the sun, whichcauses meteors to burn up.
allows ozone to form easily.
allows solar radiation to penetrate to the surface.
allows water to exist as a liquid.
Air has pressure because
wind moves the air.
the stratosphere is thick.
temperature warms the air.
air has mass.
The layer of the atmosphere between the stratosphere and the thermosphere is called the
mesosphere.
troposphere. (below stratosphere)
exosphere.
ionosphere.
When climbing a high mountain, you get out of breath easily because
air pressure is greater.
the air is more dense.
the percentage of oxygen in the air decreases.
there is less oxygen in each cubic meter of air.
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I believe the best answer is C. i mean it has already made that progress, hints the term developed, not developing. i hope this helped, have an amazing day :)