<span>Billy is having trouble in the concept of conservation, which is part of the concrete operational stage of cognitive development.
Trouble in conservation means that Billy is unable to understand that a change in the form of an object does not necessarily mean that the quantity of it has changed. In this instance, Billy has not acquired the ability to understand the 1/2 full glass of orange juice does not increase in quantity when it's poured in his favorite (smaller glass) and reaches its brim.</span>
Answer: B) Post-positivism
Explanation:
Post-positivism is the approach or perspective through which critical realist approach towards the concept of human behavior and other related theories.They believe that every concept can be based on point-of view of people .Thus ,they accept he concept that is researched by researcher or scientist and believe that observation can improve the theories.
Other options are incorrect because objective reality,interpretist aspect and constructive perspective is not the approach through which realists tend to think that theories can revised about human behavior and also it persist some errors.Thus, the correct option is option(B).
Answer: the natives
Explanation: literally they lived here before everyone else so it’s unquestionably really
An obsessive-compulsive personality disorder
Answer: " Enterprising, energetic, and persistently optimistic, Henry Knox proposed the wild idea of undertaking the trek to Fort Ticonderoga to retrieve the cannon, captured by Ethan Allen and his Green Mountain Boys, to fortify Boston's Dorchester Heights."
