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Explane why the first civilizations all developed in river valleys?
Because, Animals go down there to drink, which is a source of food. You need water to live. Also good soil and trees, use the trees for your fire and homes, use soil to grow crops and spring flooding makes the water good for crops.
Why are modern farming techniques and a reduction of biodiversity a problem?
* They make crops more vulnerable to disease in the long run. * Toxins in pesticides get into the world's soil and water supply. * Chemical fertilizers and pesticides create a race against nature that mankind is likely to lose.
What was the reason civilizations began along river valley?
Most ancient civilizations needed the fertile land, food sources (water-based fowl, fish, etc.), and trading opportunities found near rivers to support their community. Over time, commerce and population would grow, and with it would develop a full-fledged civilization. They could then use their clever location to defend themselves from attackers, to reach other main hubs of civilization to trade, and to establish a navy. hi guys
What is the most significant contribution of the river valley civilizations to the world?
they were the first civilizations established in th fertile crescent between the tigris and euphrates rivers and are believed to be the oldest civilizations discovered
How do you think monsoons affected settlement in India?
Monsoons bring much needed rain that farmers require for their crops in a hot climate. When monsoon come either too early or late in a season, this can affect the agriculture of India. Although providing water is a benefit of monsoons, they also can be detrimental when severe monsoons do massive damage to land and cause death.
