<span>B. Social interaction. Highly populated areas bring together people from all walks of life and due to circumstance these people end up relating with each other on one level or another. In most cases people living in highly populated areas will end up becoming friends over a long period of time as it is likely that members of their families may end up going to the same schools or work in the same areas.</span>
Answer:
I think,
<h2>Option, D is correct.. </h2>
Answer:
They are abundant and affordable
Answer:
Increased exposure to X-rays
Explanation:
X-rays shoot harmful radiation through your body, that's why when you go to the dentist or other places and they take a X-ray they give you a lead vest to protect your organs from unneeded radiation.
hope this helps :)