Answer:
Mandarin
Explanation:
Mandarin Chinese (1.1 billion speakers) ...
English (983 million speakers) ...
Hindustani (544 million speakers) ...
Spanish (527 million speakers) ...ect.
Poor workers were often housed in cramped, grossly inadequate quarters. Working conditions were difficult and exposed employees to many risks and dangers, including cramped work areas with poor ventilation, trauma from machinery, toxic exposures to heavy metals, dust, and solvents.
<span>the collection of New York City music publishers and songwriters</span>
I think the answers are B,and D