who is mainly responsible for reducing pollution created by commercial projects and minimizing construction…

Brief Explanations:

Civil engineers are responsible for the design, construction, and maintenance of infrastructure projects. They can implement strategies to reduce pollution from commercial projects, and also balance cost - effectiveness and safety in construction. Commercial interior designers focus on the interior space design, retail store designers on store - specific design, and commercial contractors mainly on the construction execution rather than overall pollution reduction and cost - safety balance in the same comprehensive way as civil engineers.

Answer:

B. civil engineer