According to the selection from The Future of the Mind, how does scientific evidence support the idea that "practice makes perfect"

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class

where is the article\

based on the graph, people who are asian/ pacific islander, are better at math than the other race/ethnicity's on the graph.

i think it was california.