This document tells me that during the early 1800s, United States was not controlled by one president. There were some places, such as west of the river Mississippi, that were not included in any state or organized territory of United States. Also, during the early 1800s, the life in the United States were distinguished from every other. They did not use the same law or judgment. They did not have the same life style or share the same culture.
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A muscle that contracts without conscious control
Answer:
so i think answerof this Q is 3 hours
Answer:
Demographic transition
Explanation:
Demographic transition theory: The term "demographic transition theory" is described as a theory that tends to analyze on the changes in the death rate and the birth rate and is consequently dependent on the populations' growth rate. However, along with the "economic development," the tendency of death rate and the birth rate is considered as different.
In the question above, the given statement represents the demographic transition theory.
Protozoan infections are most prevalent in <u>Asia, Africa</u><u> </u>and <u>South America</u>.
Explanation:
Infections caused by protozoans in humans include severe diseases like African sleeping sickness, malaria, amoebic dysentery, giardiasis etc.
These infections are transmitted through arthropod vectors mostly through their bite. Protozoan parasitic infections are common in tropical developing countries than in the developed nations.
When travelers from non-prevalent countries like the United States travel to countries which are prone to protozoan infections, they also become susceptible and get infected when their own immune system is weakened. They become potential carriers when they travel back to their country.
