Answer:
a. Children begin to use language.
Explanation:
Concrete-operational stage: In psychology, the concrete-operational stage is one of the stages of the Piaget's cognitive developmental theory, and is considered to be as the third stage. The stage begins at the age of seven years and lasts through the age of eleven years. This stage is distinguished by the development of logical thoughts.
Characteristics or elements:
1. Conservation.
2. Classification.
3. Seriation.
B. I think bc The Great Lakes Water Quality Agreement is a commitment between the US & Canada to restore and protect the waters of the Great Lakes.
Answer: Availability heuristic
Explanation:
Availability heuristic is defined as the instant example or idea that occurs in mind while evaluating an event or subject in the form of mental shortcut.The evaluation is done by calculating the situation of the event
According to the situation mentioned in question, Derrick's statement is based on availability heuristic as he is giving his thought after seeing many Mustang car in traffic than before and thus evaluating that it must have become a bestseller.
The years 1865-1877 was the so-called Reconstruction Era. The Reason for this reconstruction was the devastation of the country during the Civil War.
Additionally, the South had to be transformed from the point of view of the North: with slavery abolished, many social changes had to be introduced - this was the other reason for Reconstruction.
