Lizzie, age 12, regularly asks questions such as, "what if everyone just got along? " and, "if i became a medical researcher, could i find a cure for cancer? " according to piaget's theory, these questions suggest that lizzie has acquired the ability to

she has acquired the ability to formally operate.

Explanation:

accorsing to paiget's theory formal operation is the ability to be concerned about hypothetical affairs and upcoming future concerns. moreover, creating hypothesis and questioning ideologies is a major part in the concept of formal operation.

the old way of life was represented by superstition, an angry god, and absolute submission to authority. the thinkers of the age of reason ushered in a new way of thinking. this new way championed the accomplishments of humankind. individuals did not have to accept despair. science and reason could bring happiness and progress. kings did not rule by divine right. they had an obligation to their subjects. europeans pondered the implications for nearly a century. americans put them into practice first.