Answer:
The answer to your question is A- ileobtibial tract
93.77 million miles from the earth to the sun
D. the balls were dropped from different heights
Answer:
When Europeans began to explore and colonize other parts of the world, smallpox traveled with them. The native people of the Americas, including the Aztecs, were especially vulnerable to smallpox because they'd never been exposed to the virus and thus possessed no natural immunity.