Answer:
Migration helps in improving the quality of life of people. It helps to improve the social life of people as they learn about a new culture, customs, and languages which helps to improve brotherhood among people. The migration of skilled workers leads to greater economic growth in the region.
B i know its B for sure just trust me!
A shows the correct grammar usage for a comma.
Answer:
You can write an essay about a video by <em>watching the video closely and taking notes on the key points or information on the topic of the video</em>. For example, if you were watching a video about the decrease of an animal species you would write down notes like What is that species current population? How is its species population decreasing, and what can you do to help it? Just remember to look for those kinds of answers in the video and from your notes form a introduction, body, and conclusion from that