According to Cloninger, people high on the trait of , are persistent; they work long hours, put a lot of effort into their work, and often continue striving after others have given up.

it would be d). more resources must be obtained to attain that combination of goods and services

where is the map so i can

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )