Answer:the employment rate of a nation also has social consequences
Explanation:
Answer: A rotation takes 24 hours and a Revolution take 365 1/4 days
Explanation:
1 day, or rotation, is eqivalent to 24 hours. A year, or revolution, is 365 days and every four years it is 366 days to make up for the 1/4 at the end of every year.
1.discovery of iron
2.the use of iron weapons
