Answer: the international astronomical union downgraded the status of pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full sized planet
The correct answer is the plow. When the plow was invented agriculture was made much easier which enabled people to settle around and make surplus of food. This enabled them to trade with others and increase the size of the cities and the rest is history.
Renaissance<span> began in Italy during the 14th century and reached its height in the 15th. In the 16th and 17th centuries it spread to the rest of </span>Europe<span>.</span>
The correct answer to this open question is the following.
The unequal distribution of water has impacted society in the Middle East/Southwest Asia because water is scarce in this desertic area of the Middle East. Indeed, the Middle East just has just 1% of the planet's freshwater deposits. And there are many countries trying to get fresh water for their people: Afghanistan, Kuwait, Iraq, Jordan, Iran, and many others. This issue has created some problems in the past, even international conflicts. In a desertic area like the Middle East. Rivers like the Tigris and Euphrates are the only source of fresh water. The big problem is that all the Middle East countries fight each other to get that clean freshwater.