Answer:
Between 1800 and 1900, the population of Europe more than doubled. Instead, populations soared because the death rate fell. Nutrition improved, thanks in part to improved methods of farming, food storage, and distribution. Medical advances and improvements in public sanitation also slowed death rates.
The answer would be sound waves.
Hope this helps!
I’m sorry but can’t u just search up? But the answer but it’s Lyndon Johnson I think
Well you would be in a new place so maybe a bit scared about what the new land will consist of. But also a bit excited because you would be making history.