Answer:
B) unlearned actions that exist consistently throughout a species
A potential risk is the risk of something that has a chance of affecting you, Example:smoking has a potential risk for cancer.
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Answer:
In 1900, the top three causes of death in the United States were pneumonia/influenza, tuberculosis, and diarrhea/enteritis. Communicable diseases accounted for about 60 percent of all deaths. In 1900, heart disease and cancer were ranked number four and eight respectively.
Explanation:
Answer:
I believe your answer is B. but i could be wrong
The heart<span> cannot pump blood effectively and some blood backs up into the body . This is called congestive </span>heart failure<span>. Having a </span>heart attack<span> means that you have lost blood flow to a part of the </span>heart<span>, and this has caused some </span>heart<span> muscle to die</span>