Which statement best summarizes the living and working conditions of the urban poor at the turn of the twentieth century

Conditions were unsafe for the poor urban.

Explanation:

The living and working conditions of the working class in the urban were sick and miserable with diseases, overcrowded, and poor sanitation. Life was poor for them because of the less pay they get, could only afford to eat and live in rent. The industrialization led rise to the rural population to move into urban to find work and earn a living.

c

explanation:

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.