D a basic need for a constant supply of the item.
Answer:allows ads to be placed quickly
Explanation:
Radio advert might seems like not really in use but when adverts are placed it always hit targeted customers and mainly the adverts are placed immediately without delay once the necessary process has been completed.
Basically start off with a great idea and invest thousands of dollars and hopefully it lifts off from there.
Answer: option D is correct
Explanation:
This is the biologically productive land that can sustain the individuals activities. It takes into account resources needed to produce goods and clean up it's waste.