Question

which type of sentence is this? while japan has an excellent network of traditional road, rail, air, and sea travel, the country also boasts the exceptionally fast and safe shinkansen system of bullet trains. simple compound complex compound-complex

Explanation:

A complex sentence has one independent clause and at least one dependent clause. Here, "the country also boasts the exceptionally fast and safe Shinkansen system of bullet trains" is independent, and "While Japan has an excellent network of traditional road, rail, air, and sea travel" is dependent (introduced by "while"). So it's complex.

Answer:

complex