What is another word for income earned by selling one's labor to a business?

Which best describes why it is necessary to evaluate a solution?

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate.not an excessive incentive.educational.of high quality.

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti