Yes, that is exactly what you should tell them. 1  If two clauses are connected with a coordinating conjunction, it's a compound sentence. 2  If two clauses are connected with a subordinating conjunction, it's a complex sentence.
Trains were first- 1784, but cars weren't invented until 1890.
When was the train invented? A: The train was invented in England in 1803 by Richard Trevithick with funding from Samuel Homfray. The first steam locomotive used a steam engine and had it... Full Answer >