12 point Arial is pretty good
It is not a preposition but it is a preposition A phrase
The 3rd sentence; the little boys had on pants that were torn,a dirty shirt, and muddy shoes.
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.