Gross Domestic Product is "a monetary measure of the value of all final goods and services produced in period of time (quarterly or yearly)." Gross National Income or GNI, is defined as "the total domestic and foreign output claimed by residents of a country, consisting of gross domestic product (as mentioned above) plus factor incomes earned by foreign residents, minus income earned in the domestic economy by nonresidents."
No horizontal displacement
C because you don’t want to spilt up the statement into two different sentences. So therefore it is wrong.
I think 21°C or 66°F I'm not positive