The skeletons found at the burial site were victims of One and a half million people, about
of England's population, were killed by an outbreak of the
plague
The discovery of the burial site in London allows researchers to study the

The skeletons found at the burial site were victims of

✔ the plague

.

One and a half million people, about

✔ 25 percent

of England's population, were killed by an outbreak of the plague.

The discovery of the burial site in London allows researchers to study the

✔ microbiology of the plague.

Explanation:

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radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

the government closely monitored its finances to avoid another financial collapse.