<span>There wasn't many vaccinations back in the day and medicine slowly developed through years passing by. Also eras such as the Black plague and others really helped develop medicines and vaccinations moving forward for people to use.
Hope this helps.</span><span />
The depth of inquiry or the amount of details
Answer:
What are the two common waves in nature? What happens in water waves? in water waves, water particles move in circles, indicating that these waves are a combination of transverse and longitudinal waves. Where do seismic waves occur?
C. <span>churches and synagogues because it is not a form of transportion and doesnt really help i economics either. </span>
