Answer: Between 70,000 and 100,000 years ago
Explanation:
Homo-sapiens began migrating from the African continent and populating parts of Europe and Asia. They reached the Australian continent in canoes sometime between 35,000 and 65,000 years ago. Hope this helps, Merry Christmas, and have a nice day
1840s
Factory-made agricultural machinery increases farmers' need for cash and encourages commercial farming
1841
Practical grain drill patented
1842
First grain elevator, Buffalo, NY
1843
Sir John Lawes founded the commercial fertilizer industry by developing a process for making superphosphate
1844
Practical mowing machine patented
1847
Irrigation begun in Utah
1849
Mixed chemical fertilizers sold commercially
The answer is A,This is your answer.
Hope this helps.
"Dry" meant that the cities had severe water shortages and restricted water usage.
Eliza Lucas Pinckney revolutionized the economy of South Carolina when she proved that indigo could be successfully cultivated and processes in 1740.
