Answer:
Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.
Explanation:
Eastern Europe is less
economically developed than Western Europe. From the time of the enlightenment,
East Europeans have struggled to release themselves from a legacy of
underdevelopment and dependence. Today most of Eastern Europe remains
relatively backward, undercapitalized, under productive and under employed
because politics in Eastern Europe also replicates the religion’s relative
economic backwardness and more traditional social structure. Eastern Europe had
not been greatly affected by the ideas of enlightenment of the eighteenth century
nor did the liberal revolutions of the nineteenth century take root in the
mostly rural societies of Eastern Europe.
Iberian Peninsula is the Western European peninsula that lies to the north and that has only one country located.
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Answer:
Searches for gold and silver
Explanation: