Answer:
Answer is PHOTONS, named by Einstein
B. answer is correct. HIV that causes AIDS has RNA instead of DNA.
HIV is actually a retro-virus.
Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging your immune system, HIV interferes with your body's ability to fight the organisms that cause disease. The human immunodeficiency virus (HIV) is a lenti-virus (a subgroup of retrovirus) that causes HIV infection and over time acquired immunodeficiency syndrome (AIDS).
Sheeps possibly should be able to run quickly, to have a good sense of smell and to have quick reflexes.
These three sheeps are desirable for sheep as they enhance their survival capabilities. These traits are passed on to the new generation through reproduction.
