Answer:
Katherine's opportunity cost is the cost of getting to the lecture event itself plus the reduction in her physics exam grade by not studying tonight. True
Explanation:
Opportunity cost is the cost of foregoing a benefit or incurring loss due to opting an alternative which is next beneficial . Here Katherine is losing in terms of grades in her exam to take the benefit of listening to the lecture , So loss to her grade is the opportunity cost of attending to the lecture and getting benefited.
Answer:
It really depends on your definition of government. Not very helpful I know...
Explanation:
I doubt that it is 3. Although it is possible. If a government is a body that passes laws then it is most probably 2, a monarchy. The first monarchy originated in about 400 BC. Before that, humans just worked for whoever owned the farms. Tribal rule is also possible as humans did create tribes to hunt and gather and it is likely they had a leader or "alpha-male". Anyway, good luck with answering that question without getting into some serious semantics.
Answer:
Object permanence
Explanation:
Jean Piaget has given his theory of cognitive development in 1936. In his theory, he has mentioned four stages of development in which object permanence comes under the first stage of development i.e the sensorimotor stage that lasts from birth to 18-24 months old.
Object permanence: This is the milestone of the sensorimotor stage. It is defined as the capability of a child to apprehend that an object exists even if it cannot be sensed or perceived (heard, touched, seen, etc). Object permanence develops between the age of 4-7 months.
Answer:
I can't even answer that...
