Explanation:
HIV attacks a specific type of immune system cell in the body. It's known as the CD4 helper cell or T cell. When HIV destroys this cell, it becomes harder for the body to fight off other infections. When HIV is left untreated, even a minor infection such as a cold can be much more severe.
Answer:
The correct answer is option d. "All of the above".
Explanation:
A species is defined as a group of similar living organisms, constituting the basic unit of taxonomic rank of an organism. In Biology an hybrid is considered a species. It doesn't matter if the hybrid comes from combining the qualities of two organisms of different breeds, varieties or species Infertile hybrids such as mules and ligers are considered species as well.
D is gonna be your answer because the more animals the more competition for survival
The blisters occur in the second degree burn. The first degree burn only cause the damage to the outer layer of the skin. The blisters are a result of the accumulation of the fluid between the epidermis (outer layer of the skin) and the layers below it. So, for blisters to occur, at least damage to two layers of skin is necessary.
In first degree burn, due to the damage to epidermis only, the redness occur and the blisters does not occur.
I'm fairly sure it would be windward and leeward. So C
