What is the difference between valid arguments and fallacious arguments?

Which of the following early north american cultures were known for building wigwams and longhouses? a. eastern cultures b. great plains cultures c. western cultures d. northern cultures

Which of the following was not a part of the armistice between germany and the allies? a. germany had to agree to the terms of the treaty of brest-litovsk. b. germany had to surrender its entire submarine fleet to the allies. c. kaiser wilhelm ii had to give his throne. d. all german troops had to be withdrawn from the western front.

Why have the aztec ruins in mexico city not been dug up?