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Which factors most influence whether a person will develop Alzheimer's disease?

the person's environment and social interaction

the person's genetics and age

the person's gender and salt intake

the person's salt intake and stress level

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According to the germ theory of disease, disease is caused by

decaying matter.

chemicals.

microorganisms.

miasma.

How did Francesco Redi disprove the idea of spontaneous generation?

He showed that flies were not produced by meat.

He showed that microorganisms are present in air.

He showed that microorganisms cause disease.

He showed that flies spread disease.

Candace is wanting to be sure that she is doing what she can to prevent the spread of disease. Which of the following should she be sure to do?

Take medicine to destroy the germs.

Avoid contact with other people's bodily fluids.

Wear warm clothes.

Eat healthful foods such as fruits and vegetables.

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