The answer is representative democracy, which is the exercise of political power by the electoral population made indirectly (as opposed to direct democracy), but through its representatives, appointed by them, with a mandate to act on their behalf and by their authority, that is, legitimized by popular sovereignty.
A muckraker is a journalist who devotes their work to uncovering topics that might be overlooked or ignored by the powers that be. That said, a muckraker is D a writer who exposes unsafe working conditions.
The DNA molecules is packaged into thread-like structures called chromosomes.Each chromosomes is made up of DNA tightly coiled many times around proteins called histones.