How did thomas edisons invention of the light bulb affect industry? electric lights made it possible for factories to run after dark having better lighting largely eliminated industrial accidents brighter lights made people more productive so they worked fewer hours bulb manufacturing became the biggest industy in the us

correct answer:

b.(19,-2)

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

3

step-by-step explanation: