Answer:
50%
Explanation:
One in five species on Earth now faces extinction, and that will rise to 50% by the end of the century unless urgent action is taken.
<span>There were probably several, but it is a deadly sickness if not treated and the outbreak in the middle ages killed 1/3 of Europe. Some cures were weird things like eating crushed emeralds or drinking poison. Some symptoms included swollen lymph nodes and bleeding out in many places </span>
It is called <span>Glaciology i hope this helps</span>
Lords could levy taxes on their townspeople! Have a great day
