Mark is playing with his friend, He makes a slashing gesture with his hand in the air as though he were using a sword, while calling out "Ha ha! I am going to get you!" Mark is most likely in which stage of cognitive development?

Preoperational

Explanation:

Preoperational stage, in psychology, is considered as the second stage in the cognitive development theory which was discovered by Jean Piaget, a well-known psychologist. The preoperational stage starts at two years of age and ends around age seven. A child who falls under this stage starts talking, learns to manipulate various symbols, and engages or involves in symbolic play.

As per the question, Mark is most likely in the preoperational stage of cognitive development.

the correct answer is individualism and exchange. at this stage, children begin to question the rules, because they can see that there is more than one side to them. different individuals have different viewpoints. they won't be able to reach this stage because of ignorance, a lack of ethics or personal biases. that is because people with that characteristiscs are not able to distinguish what is good or what is bad and they can't pursue their individual interests.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force