Answer:
Native American populations declined rapidly due to a lack of immunity to disease
Explanation:
At that time, many Europeans who came to American continent carried out viruses that could cause diseases such as smallpox, influenza, and measles within their body.
When they "Encountered" The native Americans, these viruses passed on to the Natives and infected them.
Because the natives have lack of immunity to disease (they never experienced diseases like that in their life) , the effect to their body is much greater compared to the Europeans. This led to large amount of death among Native Americans.
Answer: Extraordinary assumption
Explanation: Appraisal could be defined as the estimation or evaluation of an object, property or structure in other to determine either the worth, condition or nature of such property or object.
An Extraordinary assumption during appraisal means a presumption that certain unknown information exists or is a fact. It assumes a condition which is unknown to be true and as such if the information is found to be false may alter the result or conclusion of the appraisal.
Such is the scenario above, when the appariser assumes there is no leakage or contamination based merely on unknown fact.
Dietary Supplements should be the answer ur looking for
Answer:
The correct answer is A
Explanation:
The term 'graying of the United States' refers to the fact that the U.S. population is getting older and consisting of more elderly citizens than ever before.
People aged 50 and over comprise 24% of the U.S. population today and the number is growing. There are not enough babies being born to reverse the situation, more elderly people means less young people working and paying taxes.
The government sponsored health programs will suffer in the long term as there won't be enough money coming in to cater for all the retired people.
