Answer:
First choice, mutation!
Explanation:
Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin).
Answer:
Since the beginning of the epidemic, 79.3 million [55.9–110 million] people have been infected with the HIV virus and 36.3 million [27.2–47.8 million] people have died of HIV. Globally, 37.7 million [30.2–45.1 million] people were living with HIV at the end of 2020.
Explanation:
The reason he said he used steroids was because he said he felt a lot of pressure to preform.
The primary sources of fats in the diet seafood; meats, poultry, and eggs; and nuts, seeds, and soy products
<h3>What are fats?</h3>
Fat is one of the major sources of energy giving foods found in our daily diets.
The primary sources of fats include seafood; meats, poultry, and eggs; and nuts, seeds, and soy products.
These primary sources are low in cholesterol that is way they are usually recommended.
Learn more about cholesterol here:
brainly.com/question/523979
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