D- they were not treated for or told they had syphillis. Instead, researchers told the men that they were receiving free treatment for what they called “bad blood”. Around this time, penicillin was found to be a decent method of treatment for syphillis, but researchers instead treated the men with ointments and other methods that didn’t work.
Answer:
It does not come from a beavers butt
Explanation:
The sweetening extract does
<span>Acoustic encoding refers to the process of creating memories by linking them to sounds.
The auditory signals, otherwise called sounds activate mechanical receptors in our ears which generates a sensory information that is analyzed in the brain. A sound later gets encoded, classified and stored as a memory.
</span>
<span>This
method of treating water kills microbes and removes other contaminates
such as heavy metals.
- chlorination</span>