Hey there!
HIV is a serious conditions that impairs your body's ability to fight off infections by attacking the <span>CD4 helper lymphocyte </span><span>cells. This makes it easier for you to get sick, and your body will not be able to fight off the incoming diseases.
Hopefully this helps!</span>
Glucose <span>from photosythesis produces the vast majority of chemical energy to living things</span>
<span>A) they prevent blood from flowing backwards
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Not very sure, but this is probably because the stain is much more dried up and already sticked onto the surface, rather than the paper towel that simple brushed by it for the couple of seconds used in attempt to wipe the stain.
Please mark me brainliest so I can become a Virutoso, thank you! :)