The olduvai gorge in tanzania is the site of
a. many findings of the earliest humans.
b. the world's largest waterfall.
c. the world's longest suspension bridge.
d. many findings of the earliest dinosaurs.

a. news coverage

explanation:

when presidential candidates are on the news they have the ability to answer questions from news reporters and some of those questions can come from the public

the answer in this question is b.(1) create a clear chain of command; (2) limit independence of lower-level workers.  the numbered pair of phrases that best completes the tables as it relates to the united states federal bureaucracy was (1) create a clear chain of command; (2) limit independence of lower-level workers.