Here is a challenge to your creativity! Create a reasonable conceptual model that might explain each of the following phenomena. a. Huge, centuries-old drawings have been found on the ground in...

Here is a challenge to your creativity! Create a reasonable conceptual model that might explain each of the following phenomena.

a. Huge, centuries-old drawings have been found on the ground in Central America. They are so large that they can be seen only from hundreds of feet in the air. However, there were no aircraft in existence at that time.

b. People who are usually rational and controlled can nevertheless become highly emotional and irrational when in a crowd.

c. Despite the fact that adolescents and young adults know the danger of certain behaviors, such as smoking, many nevertheless continue those behaviors.

d. Many people overeat to the point of becoming obese.

e. Siblings can look, think, and act very differently from one another, even though they have the same parents.