Question

it is clear that nasa has continued to be a driving force behind advances in science and technology, even after the end of the cold war. satellite communications, weather forecasting, and gps would not exist without space - related research. other advances—including modern robotics, computer technology, and digital photography—have come out of nasas work in space. furthermore, experts claim that research on space weather is important for protecting satellites and preventing blackouts. while nasas space missions once made these advances possible, space research costs nasa billions of dollars. private companies can take over where nasa leaves off—and they can do so with a smaller price tag.
since space travel by private agencies was legalized in 2004, several
what does the fourth paragraph do?
it argues that further scientific advancement is only possible through continued funding for nasa research.
it admits that nasa expenses are necessarily high.
it admits that nasa has been more valuable than private companies would be.
it provides details about advancements in science and technology due to nasas space exploration.

Explanation:

The paragraph lists various tech - science advances from NASA's work like satellite comms, weather forecasting etc., thus detailing its contributions.

Answer:

It provides details about advancements in science and technology due to NASA's space exploration.