This topic contains a solution. Click here to go to the answer
|
Author Question: Political unrest, reduced land availability for growing crops, population growth, and gender ... (Read 51 times) |
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.