Answer:
Generally, answer B would be the right one.
Explanation:
[source;https://www.healthline.com/health/eating-disorders-causes-risk-factors]
"The exact cause of eating disorders is unknown. However, many doctors believe that a combination of genetic, physical, social, and psychological factors may contribute to the development of an eating disorder.
For instance, researchTrusted Source suggests that serotoninTrusted Source may influence eating behaviors. Serotonin is a naturally-occurring brain chemical that regulates mood, learning, and sleep, as well as other functions.
Societal pressure can also contribute to eating disorders. Success and personal worth are often equated with physical beauty and a slim physique, especially in Western culture. The desire to succeed or feel accepted may fuel behaviors associated with eating disorders,"
Anemia can be caused by a great amount of things. The most common reason is through iron deficiency, which is linked to other illnesses that cause anemia. Or, through malnutrition where the patient is not getting the right amount of vitamins or minerals in their diet. The protein hemoglobin contains iron, which is why the hemoglobin levels drop at times when there is anemia
1. eating healthy foods.
2. getting enough sleep.
3. getting enough exercise
4. managing stress
5. washing your hands consistently.
All of those things helps your immune system by strengthening it or by keeping germs away which intern helps prevent you from getting sick.
I hope this helps. Let know if anything is unclear.
<h2>Answer </h2>
A virus consisting of a single strand of RNA, which is transcribed into complementary DNA, is a RNA replication virus.
<u>Explanation </u>
It is the RNA replication virus that is transcribed into complementary DNA. The RNA replication is a process in which the doubling of single strands taking place the RNA is transcribed into the complementary DNA. There are three stages of RNA replication which are an initiation, chain elongation, and termination. There are three types of RNA involved in protein synthesis which are mRNA, rRNA, and tRNA.