The answer is object permanence.
Object permanence refers to the ability to understand that an object is still present and physically exists even if it is hidden out of sight. In this example, your niece lacks object permanence since she does not understand that you are behind the blanket even though you cover yourself with it or you are temporarily.
Answer: He should be left alone
Explanation:
I will let Toby's parents know that Toby is passing through an important developmental phase. At age 3, children starts explore their environment and starts understanding their body and mind.
They move around playing and jumping and becomes more imaginative while playing. For example, the child might assume he's playing with friends or pretend he's a doctor.
He should be left alone to explore his environment as it is a vital development phase that he has to pass through.
Answer: c) choices A and B
Explanation:
Formal learning is the learning process that happens to occurs in formal and organized surroundings such as classroom,organizations,online courses etc.
Informal learning is the learning which is for life-long , beyond the limitations of learning and gained from practical events of life.This learning provides successful working in the work environment.
According to the given options , informal learning is not highly present in organized and structured form and sometimes people do'nt get hint about the learning at the present stage rather realize it later. Instructor is present in formal learning to determine the path for learning in orderly way.
Thus, both the choices are correct, which makes option (c) as the correct option.