The answer is D. Hope this helps
"mankind was my business"
So, a possessive noun is usually used to indicate who or what has something, like "The Dogs' ball."
To change this form of children,plural, to a possessive noun, you will want to add an apostrophe, and then an s. It changes to this:
Children's
Answer:
Summary.
Explanation:
The given passage talks about how humans have become so dependent on machines. The author considers that one of the defect of our civilzation is that humans have become so dependent on machines. He asserts that humans created machines to aid them and help them. Humans were supposed to be machines master. But, it appears that machines are slowly taking place of humans, as masters.
The author asserts that machines require proper maintenance. They demand proper service and fueling, and on time. If proper caring is not done to them, they begin to throw tantrums by blowing up, bursting out, stopping to work, etc. Humans, according to author, even use their remaining time making more machines, which pose a threat that machines may become humans master.
