Help me Number 4 and 5

For 4, a

For 5, c

Explanation for #4:

Every 2 years, a new representative for the House of Representatives (I'm going to use HOR for short) gets elected. The citizens of a state can choose a person to represent them in the HOR. Representatives can retire earlier if they want.

Explanation for #5:

A senator can serve for up to 6 years in the Senate. The elections are a bit staggered so, about 1/3 of senators are elected every 2 years. But, the answer is c, so don't get confused.

I hope this helps :D

answer: n

mnkl ; 'n

explanation:

eli whitney was an american inventor best known for inventing the cotton gin. this was one of the key inventions of the industrial revolution and shaped the economy of the antebellum south.