Answer:
"This civilization is known by many names: Ancient India, Indus Valley, and Harappan Civilization. Historians and archeologists believe the Indus Valley Civilization began around 3000 BCE. There is evidence of trade between Ancient India and Mesopotamia as early as 3200 BCE."
Explanation:
A. because large pore spaces will allow the pollutants to travel through, unfiltered
B. It has special paws which allows it to climb high mountains
B. Two continental plates colliding
