Please help me with both of these question

Which governing principle is best reflected by the representative government created by the constitution a. separation of opwer b. republicanism c. rule of law d. limited government

Acertificate of deposit usually pays you more interest because you need a larger amount of money to open it and a the money in a cd is the banks money not yours. b the money in a cd cannot be withdrawn until a future date. c the money in a cd is considered a loan. d the money in a cd is digital money.

How did the geography of the arabian peninsula affect its religious and cultural diversity?