Density, because the core is made of metals like iron and nickel
<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>
Answer:
1: A 2: 1,3
Explanation:
Alfred wegner had gained an idea from this and later turned it to a theory
And it's one and three because he had used mutiple different fossils and species from different continents that were the same thing in two different places and shown the glacier marks on seperate continents not naturally having glaciers.
Water covers 71 percent of the earth’s surface!
Can you please put your question in English?