From 1901 to 2013, 30.7 percent of us foreign-born citizens received nobel prizes for outstanding work in sciences. what does this indicate about the impact of immigration?
immigrants are not as good at arts or humanities as their us counterparts.
immigrants want to win academic prizes.
immigrants make important contributions to the united states.
immigrants have connections in the nobel community.

Explanation:

The United States of America is a well known country for giving home to millions of people form other countries. Also, science contribution are ofter achieved by this population in the U.S., and Nobel Prize is an example of it.

For example, in 2016, 6 of 7 laureates where not born in the U.S. And if you consider only science and economy fields, 6 of 6 are immigrant.

d is the best answer for this question.