Answer:
A) How to practice Islam correctly
Explanation:
I dont have an explanation, but i did this same thing last year and this was the test answer so.
Telescope
Thermometer
Air pump
submarine
<span>Disease and pollution: improper sewage disposal, contaminated drinking water triggering epidemics of typhoid fever and cholera; fires; overcrowding; and jobs where the causes of urban living in the late 1800s</span>