any agent that cause a mutation would be called a mutagen
<span>Your answer is Precambrian.</span>
The "community
acquired" penicillin resistant S. aureus originated from the hospital since
1940’s based on the graph and after 10 years, S. aureus resistant increases to 60%.
In 1960’s, it spread to the community and eventually spread across the world.
Moreover, Staphylococcus<span> aureus infections <span>can
be treated with penicillin in the past but when it became resistant to penicillin, pharmaceutical companies discovered methicillin,
which is a derivative of penicillin. However, </span>S. aureus resistant was also develop with methicillin from late 1980’s
in the hospital and in the community from the start of year 2000.</span>
I hope this helped out i am not sure if this is what you meant
Answer:
Oldest Rocks on Earth Found. The Nuvvuagittuq Belt on the coast of the Hudson Bay in Northern Quebec. Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks.
Explanation:
