Answer: Natural Errors
Explanation: Mutagens can erase parts of DNA that then replicate, but is not a mistake made in copying DNA so that's not it. UV Radiation distorts DNA, but is not necessarily a mistake made in copying it. Natural Errors are mutations made by cells when they copy base pairs and ineffectively or for some other reason mutate/do not create the correct DNA, and the failure of cells to correct this is a mutation. This is also known as an error in DNA replication
Answer:
Keeping your body clean helps prevent illness and infection from bacteria or viruses. Like in our example, the simple act of washing your hands regularly is an effective way to keep germs from spreading.
Explanation:
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.
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Answer:
Mental health refers to our cognitive, behavioral, and emotional well being - it is all about how we think, feel, and behave. The term 'mental health' is sometimes used to mean an absence of a mental disorder.
Explanation:
Mental health can affect daily life, relationships, and even physical health. Mental health also includes a person's ability to enjoy life - to attain a balance between life activities and efforts to achieve psychological resilience.
