All of the following are examples of changes in family circumstance except

1. the birth of a baby.

2. the loss of a job.

3. a family member becoming disabled.

4. a move to a new home.

How could natural selection best be used to explain the evolution of the white fur of arctic fox

Ruth is 44 years old. at her medical checkup, her doctor notices that ruth's lymph nodes are enlarged. after some blood tests and a ct scan, ruth's doctor diagnoses her with ( ) , a cancer that typically starts in the lymphocytes and can spread to the bone marrow.

Jackson's doctor has suggested he begin increasing his intake of foods that contain plenty of vitamin c. which foods might he add to his diet? yogurt, fish, and cheese tomatoes, strawberries, and peppers whole wheat bread, brown rice, and white potatoes poultry, eggs, and bananas