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What is naturally acquired immunity?
Naturally acquired active immunity means that you have contracted the disease and your body has developed immune defenses against the disease. An example if when a person gets Chickenpox- the body has memory cells which functions to produce an immune response when it recognizes the same virus later on. The immunity for chicken pox is usually lifetime.
What factor best explains the ability of Europeans to prevail over Native Americans in their encounters in the sixteenth and seventeenth centuries?
Probably, prevailing had less to do with things that people can be proud of, than the effects of bringing a different outlook, technology and immunity to the native peoples, who were living a stone age life. Guns. Disease. Treaties that the Indians understood as lending the land, not selling it.
What geographic factor contributed to the unity of Egypt?
the Nile
What factor mostly contributed with slave trade?
Labor
Cardiovascular disease can be attributed to this uncontrollable risk factor?
Cardiovascular disease can be attributed to this uncontrollable risk factor:
Which type of limiting factor includes disease and parasites?
Wich type of limiting factor are disease and parasites
What factor contributed to the creation of the farmers alliance?
High prices for supplies contributed to the creation of the farmers alliance.
What factor contributed to the creation of the farmer alliance?
High prices for supplies contributed to the creation of the farmers alliance.
What caused famine in Africa?
Drought was the main factor that contributed to the famine in Africa. Failed government policies were another factor that contributed to widespread famine.
How is age a risk factor for disease?
Age is a risk factor for disease because as you get older, your important organs get weaker, and if they're weak then it is easier for disease to attack you.
What geographic factor contributed to the neolithic revolution?
Hot weather.
Is disease a biotic or abiotic factor?
Biotic factor is not a disease itself; it is the things that can get diseases. This includes animals, plants, and humans.
