Answer:
Factories caused major environmental problems by dumping waste into the river
Explanation:
Answer:
After uniting the nomadic tribes of the Mongolian plateau, he conquered huge chunks of central Asia and China. Before he turned 10, his father was poisoned to death by an enemy clan. Temujin’s own clan then deserted him, his mother and his six siblings in order to avoid having to feed them.
Explanation:
Event 1: Dynamite invented in 1869
Event 2: First Transcontinental railroad completed in 1869
Event 3: Internal combustion engine invented in 1876
Event 4: Electric light bulb invented in 1879
Event 5: First gasoline powered tractor invented in 1892
pues nose si me explican con las letras en español tal vez respondo