Answer:
Option D.) Groundwater
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Es | HIV.gov
There is currently no vaccine available that will prevent HIV infection or treat those who have it. However, scientists are working to develop one.
A homologous<span> structure is an organ, system, or body part that shares a common ancestry in multiple organisms. So the Structure is said to be C) Homologous. Hope this Helps</span>
Answer:a mould added to the surface, ig
Not so sure
Explanation: have a great day
