Answer:
The answer is D. The labor force
Explanation:
Labor is the specific factor of production and payment is made in the form of wage.
A gladiator<span> was a professional fighter in the </span>Roman Empire. Since<span> fights were most likely to the death they had a short life expectancy and the majority of fighters were slaves or former slaves.</span>
The disease has infected a few people, spread out over a large distance because Cholera can't suddenly spread, it infects few people and then spreads rapidly.
The ground station is type of weather station located on the ground of the Earth, on a certain location, that provides measurements for just one location. The ground station measures the <span>atmospheric conditions and provides information for </span>weather<span> forecasts. All other types of weather stations can provide weather information for several locations. </span>
