How did muckrakers influence government policy?
O A. They turned public opinion against large corporations by
publicizing their unethical practices.
O B. They supported the interests of the wealthy by praising the
positive effects of trusts and monopolies.
O C. They encouraged imperialism by publishing sensationalized
stories that were rarely factual.
O D. They undermined traditional political machines by appealing
directly to immigrant voters.

A.

Explanation:

Muckrakers were journalists who wanted a change. they would commonly bring up issues dealing with corrupt leaders and institutions to bring them to light in the public's eye. this could change the vote of citizens.

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.