An ecosystem is <span>a biological community of interacting organisms and their physical environment.</span>
Salt on the pretzel causes thirst idk tbh
Answer: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.
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