I know that question #4 is B.) Sun
Answer: D. changes direction
Explanation: A lens works by refraction: it bends light rays as they pass through it so they change direction.
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<em>Answer:</em>
<em>As the Industrial Revolution was a shift from the agrarian society, people migrated from villages in search of jobs to places where factories were established. This shifting of rural people led to urbanization and increase in the population of towns. The concentration of labour in factories has increased urbanization and the size of settlements, to serve and house the factory workers.</em>
Earth is mostly made of rock.
1. The protection granted by a nation to someone who has left their native country as a political refugee.
2. An institution offering shelter and support to people who are mentally ill