HIV or Human Immunodeficiency Virus kills or damages the body's Immune system cells. The correct answer is option B. HIV specifically damages or kills the T-Helper Lymphocytes or T-cells, which are very important to the body's immune system. These cells are the cells that respond rapidly to infections.
The seeds become dormant to preserve the energy that they would not get during the winter
This above description is most suitable to describe an organisms habitat. This is the place that an organism lives and provides the necessities the organism requires.
Deltas and sand dunes form from erosion
<span>a river carrying dirt into a lake is a example of water erosion
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fossils can tell us about environments
when the oceanic and continental plate collide, the oceanic plate sinks below the continental plate
a footprint is a trace fossil
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