Complex sentences are made up of what type of clauses

they are made up of one independent clause or the main clause and one or more dependent clauses

Explanation:

yes its like krisnis like in the air force .

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;