What did jacob riis intend to illustrate in his muckraker photojournalism

Jacob Riis was a photojournalist, his work showed the way poor people of New York City lived in the end of the XX century, both this photography and his articles helped improve the terrible conditions in which the working class lived, this made him one of the first muckracker journalists.

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

d. she conquered the black sea coast and parts of poland.