Answer: A and B
Explanation: C is coming from your own ideas, and D is just not citing a source correctly.
Answer:
Rude
Explanation:
Polite is a synonym for nice, and nice is an antonym for rude, making polite an antonym for polite too.
I have no idea that ones hard
With the A. migration of people from fertile areas, knowledge of agriculture spread by diffusion.
When people migrate from a place, they move into other areas. When something diffuses, it spreads around.
Answer:
B. The lottery may not have been a happy occasion because the men smiled rather than laughed, and the children were apparently very hesitant to join their families when it started.
Explanation: