A Mummy's DNA May Help Solve The Mystery Of The Origins Of Smallpox
The surprise find of smallpox DNA in a child mummy from the 17th century could help scientists start to trace the mysterious history of this notorious virus.
Smallpox currently only exists in secure freezers, after a global vaccination campaign eradicated the virus in the late 1970s. But much about this killer remains unknown, including its origins.
B- Tectonic is the answer. A divergent boundary is when two plates move away from each other, a transform boundary is when plates slide against each other and a convergent boundary is when two plates collide.
A. Different fossils on different continents. There were the fossils of the same or very similar species found on different continents that could not of swam across an ocean/walk there.
