That reality is objective,
so each person's perception is one's own truth, reality is unique to each individual, each person perceives space and time differently, and people's perception is not necessarily true to everyone else.
Thus laws of physics are the same for all observers if they're accelerating or moving in space and time in uniform motion, if they're Not, the perception of these only relates to that object or observer accelerating. ("<em>Special relativity</em>")
What happened when Hungary opened its borders is: Thousands of people left East Germany.
<h3>What happened when Hungary opened its borders?</h3>
When the border was open by Hungary or when they remove the regulation they placed on the border many people left east Germany and move to West Germany during that period.
The border opening also enables people to go to Austria to buy or purchase goods.
Therefore thousands of people left East Germany.
Learn more about What happened when Hungary opened its borders here:brainly.com/question/2696116
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The amazon river is in the amazon (centeral or south america idk which) so it is C
Plants in the Mesozoic Era included, redwoods, pines, yews, the monkey puzzle tree, cypress, and cycads.