Answer: 439
Explanation: you just have to divide
They are produced by specialized white blood cells called B lymphocytes<span> (or B cells). </span>
Answer: Unhealthy foods are the most convenient and least inexpensive to purchase
Explanation:
Brianna has very low socioeconomic status and she is rising two children on her own. In her neighborhood there are many fast food restaurants and convenience store.
She is obese and her children are over weight because fast food are most convenient and least expensive so belonging to low SES group, it is easily for her to buy these food as compared to that of healthy fruits and vegetables which is more expensive.