Why was Len Kleinrock’s work on network connection a significant development in computer science? Use information from the passage to support your answer.

The process of rocks breaking down and becoming other rocks

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.

Which of the following has been the result of clean water supplies, greater availability of medicines, and improved vaccines? a lower crude birthrates b. fewer women working outside the home c. higher levels of education d. longer life expectancies