I do not know what ancient civilizations you covered in your class. So the only answer i can provide is for you to look at the Ancient History Encyclopedia under Indus Vally Civilization. It is an edu site that compares and contrasts the Indus Valley Civilization to other civilizations that existed close to their time. It also provides a lot of information on who discovered the civilization. Hope this helps, sorry I couldn’t offer more.
Most of Europes immigrants today come from The Middle East.
I would say A, weather.
I hope this helps! :)
Vegetation can be assumed to reduce overgrazing of grasslands if it is woody vegetation. Woody vegetation would act as a physical barrier to grazers. The roots of vegetation, including grassland, bind soil together, thereby preventing erosion.
Deforestation occurs in Haiti because of a lack of energy options in the country. Haitians cut down trees for burning or charcoal production.