The answer is <span>B. immune cells that are destroyed by HIV
CD4+ are immune cells (white blood cells) and are an important part of the immune system. Their name comes from the presence of CD4 glycoprotein on their surface. HIV uses CD4 glycoproteins on the surface of CD4+ cells to entry into the cells. The consequence is a reduced number of those cells. Therefore, CD4+ immune cells are destroyed by HIV.</span>
Answer: The person should steer around a breaking wave. This type of waves contains large amount of potential energy that is waiting to be transformed into Kinetic energy, In this case, it can impact the ship with tremendous force.
Explanation: Hope this help :)
Genetic diseases is one of the topics that will be covered in biology
So he doesn't fall and drown