HIV directly attacks CD4 helper lymphocytes directly. (D)
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</span>Most cells of the body have self markers on the surface of their cell called the major histocompatibility complex (MHC). The MHC allows cells of the immune system to recognize the cell as part of our self.<span>system to recognize the cell as part of ourself.</span>
In low light no plants grow. With no plants no animals can eat so less animals remain or stay there. With less animals less animals respire and breathe out CO2.
Answer:
Ans:
Explanation:
Make your voice heard by those in power. ...
Eat less meat and dairy. ...
Cut back on flying. ...
Leave the car at home. ...
Reduce your energy use, and bills. ...
Respect and protect green spaces. ...
Invest your money responsibly. ...
Cut consumption – and waste.
hope it helps ....please mark brainliest