Hey there! This is the correct choice
1st: North and South America 2nd: Europe 3rd: Africa 4th: Asia
Hope this helped!
Answer:
Water
Explanation:
Water is essential to human life. Hence, human settlements tend to crop up near water sources such as rivers. This is particularly evidence in Africa, which has many quite dry regions.
Peristalsis is the physical movement or pushing of food along the digestive tract.
