Answer:
B
Explanation:
You usually put the comma after the date. For example, My birthday is one June 12, 1996. And then you put the comma after the city . Like Fremont, California. Or County. ETC.
You would need to introduce a list.
For example you could have: My shopping list contains of; milk, bread, and yogurt.
Another purpose is to separate clauses.
The answer is C. Tropical.
Answer:
One of the great contributions the Sumerians made to civilization was their many inventions. They invented the first form of writing, a number system, the first wheeled vehicles, sun-dried bricks, and irrigation for farming. All of these things were important for the development of human civilization.
I feel like the answer is C