I think it may be
G) damming rivers to create power
I believe the answer to your question is Initiative.
I feel this because the definition of an initiative is a process in which citizens can put a proposed new law directly on the ballot in the next election by collecting voters' signatures on a petition.
Answer:
Mental representation
Explanation:
A hypothetical entity or mental imagery of things that is presumed to stand for perception, thought, memory during cognitive operations. E.g making a mental rough estimate of project.
Answer: toeboard
Explanation: The Occupational Safety and Health Administration defines the Walking-Working surfaces regulation for the secure construction of stairs in industrial environments. For platforms or walls that are 4 feet or higher above the ground and do not have surrounding walls, it is mandatory to build a standard railing around them. In cases where there is a moving machinery, people can pass or there is an equipment which would be harmful when falling objects come in contact with it, the railings must have a toeboard.
A toeboard is an equipment fixed vertically to prevent items from falling for the platform.
