It helped to provide them with food and was very fertile for farming. It was also very helpful for transportation.
The answer is: When Kirsten turns over paper.
Recycling is the process of converting waste into material or products of potential utility bringing the reducing of the consumption as a consequence. In this scenario, Kirsten turns the paper to take advantage of the blank space. When she gets tired of one side of the painting, she can use the other painting. Kirsten then saved up the use of another paper, using the blank side of the same paper she had used before.
The correct answer is : c. object permanence
Object permanence is a sign of development of infant's social and mental capacities.
Example of object permanence : when infant is already aware that he/she has a dad. Even though the dad went to work and the infants can not see them , the infants still acknowledge his existance
The answer is Ethnocentrism.