Answer: d.domestics I know because I did the test
Answer:
In general, they were able to find out what his last meal was in his stomach, since he was so well preserved. In fact, he's the oldest and most well preserved mummy to be discovered.
They also learned he was killed by a blow to the head, perhaps by an enemy tribesman. They also gained knowledge of his burial rituals and a clear view on everyday life during the prehistoric age.
They've also been able to extract blood from him, the oldest blood sample ever retrieved. It sheds new light on his death and may change the way police study blood found in modern crime scenes.
B) The mining and cattle ranching industries increased in the West.
Railroad made transporting resources and goods to cities to be manufactured and processed which encouraged growth in the western industries.
Mining for gold, silver, iron, and tin contributed to production of manufactured goods. The ability to make money off of the mining industry attracted settlers. Ranching also increased in production with land opening up in the southwest and railroads connecting ranching areas to major meatpacking cities, like Chicago.