Which of the following best explains why US cities became segregated by culture and ethnicity in the late 1800s and early 1900s? Immigrants formed communities when they were shunned elsewhere.
City planners set aside neighborhoods for various ethnic groups.
Foreign governments set up colonies in American cities.
Government authorities forced immigrants to live in enclaves.

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long  

thots think tootsies drink tequila

it might look like that the ideal way to research the health effects of trans fats is through a controlled experimental feeding trial. but these kinds of trial have several important limitations that the researcher must look into:

short in duration (this factor usually checks up on the intermediary risk factors rather than the actual outcomes of the disease)

limited dietary changes

only makes use of healthy participants