What is the biggest threat to infrastructure in eastern asia?
a. lack of use
b. poor maintence
c. poor tax structure
d. lack of adequate fees and tolls

At 3476 kilometer the moon's diameter is slightly less than the distance across from what

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true. b) some other scientific experts read the papers and provide quality control by eliminating many mistakes. c) an editor reads the papers, to make sure that all the semicolons are in the correct places. d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog. e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.

This graph shows the marginal cost of producing each additional pair of running shoe inserts .whoih pair of shoes had a marginal cost of $3.00?