Which was a major cause of environmental pollution in american cities during the late 1800s?
...
![subject](/tpl/images/cats/istoriya.png)
History, 19.10.2019 20:30 esme06quirino
Which was a major cause of environmental pollution in american cities during the late 1800s?
a. dust storms blowing in from the great plains
b. chemicals used in dry cleaning shops
c. wastewater discharge from hydroelectric power plants
d. large numbers of horses used for transportation
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on History
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.06.2019 06:00
Use the drop-down menu to complete the sentence. rome’s first civil war began as the result of conflict between
Answers: 2
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.06.2019 08:20
To encourage railroad companies to build railroads across the west, the government gave them subsidies by select the best answer from the choices provided. a. paying the wages of laborers b. giving them building materials c. providing railroad trains d. providing free land
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 00:47
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 26.03.2020 00:47
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 26.03.2020 00:47
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 00:47
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 00:47
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.03.2020 00:48
![question](/tpl/images/cats/himiya.png)
Chemistry, 26.03.2020 00:48
![question](/tpl/images/cats/fizika.png)
Physics, 26.03.2020 00:48