Which map is better represents the population density of the area shown? And why

Which number shows the location of the united kingdom of great britain? 7 5 2 4

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?