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HIV attacks the bosdys helper T cells - the cells that activate bpth cyotoxic T cells and B cells. These cells are important part of the immune system. The most common danger related to the destruction of these cells is-
A) the inability to maintain correct O2 levels
B) an increase in the risk of high blood pressure
C) a decrease in the flow of blood to vital organs
D) the body loses its ability to fight infections
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The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they
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State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)
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