A person's vocabulary, cultural information stored in long-term memory, and logical reasoning abilities are known as what type of intelligence?

Binet felt children should be classified as mentally retarded when their mental age was at least __________ below their chronological age

a) two years b) one year c) three years d) six months

Charles Darwin argued that human facial expressions are innate. What evolutionary reason did Darwin give for the evolution of these expressions?

What will be an ideal response?