<span>An increase in scientific and medical discoveries improved life expectancies.
</span>The best possible explanation for the changes in Europe's population since 1750 is that an increase in scientific and medical discoveries improved life expectancies.In fact, it was around this type that basic hygiene norms were implemented, as well as some mortal diseases were cured or to improve lifbetter treated. Moreover, the discovery of vaccinations helped greatly to improve life expectancies.
Answer: a
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Tent and mules are nouns. Grand Canyon and Arizona are nouns too but they are proper nound. And slept is an action.
Answer:
1- The addition of Texas added to the happening to the Mexican-American War
2- The contention began, to a limited extent, over a contradiction about which waterway was Mexico's actual northern fringe: the Nueces or the Rio Grande
Explanation:
The fundamental driver of the war was the affirmation of Texas into the United States of America. Since Mexico didn't perceive Texas' freedom after their effective resistance to the Mexican government it was viewed as an intrusion into Mexican domain once Texas acknowledged the greeting into the United States.
