Read the original and improved research questions. Original: What is the relationship between natural resources and the Industrial Revolution?

Improved: How did coal contribute to the Industrial Revolution in Pittsburgh in the 1880s?

Which of the basic question words helped improve this research question? Select four options.

how
what
when
where
why

probally   a few days after there called

i actually have a suggestion instead of an answer, how about next time instead of spending the time to time up the question you take that time and try to figure something out for yourself, do you understand?

explanation:

leave a 5 star and a and brainliest answer if you understand, hope this betters you day, or not i don't really care either way. xd

letter a is the answer

the aztecs painted books and kept records