The factor that effects the maximum range is Altitude
Answer:
Advertising a product changed from simply announcing the existence of a product in a dull, dry fashion to persuading the public they needed and deserved to own the product. By developing repeat customers, advertising also helped build brand loyalty for the company.
Explanation:
B abstraction is youre answer
20. B
21. B
22. B
23. B
24. B
25. A
26. B
27. B