Answer:
1) anemia (condition in which the blood cannot carry enough oxygen to the body) 2) type 2 diabetes 3) heart disease 4) hypertension (high blood pressure)
Explanation:
The correct answer is D.
An increase in Lyme disease does not cause an increase in drowning. There may be a correlation between the two but there is no causation. The likely lurking variable that would cause an increase in Lyme disease would be temperature as people are more likely to venture out into the woods and for walks in long grass with their pets when the weather is nice and could contract the disease from the ticks in the woods and grasslands. The lurking variable that would cause an increase in drowning would be time of the year as once again when the weather is nice people go swimming which can lead to drowning if not careful.
Helping others may help create social bonds. If this is the case, then people may be more inclined to help those who appear more socially desirable.
