The process of gathering information about events and their relationships within an organization's internal and external environments is: technological scanning environmental scanning regulatory factors all of them

Option B

Explanation:

Environmental scanning is done by internal scanning committee with an objective to establish and analyze the relationship between the events happening within the organization and its internal and external environment parameters.  

This analysis helps scanning committee in taking effective measures to align the future course of action and direction of organization. This scanning is done regularly at a certain fixed interval for effective management.  

Hence, option B is correct

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.