Answer: B. both the pneumonic plague and the bubonic plague.
Explanation:
even if the technique for retrieving ancient DNA improves, you need to know what you’re searching for. There is no way now to search for an unknown hemorrhagic virus.
But the possibility that the Black Death could strike again should give scientists the incentive to keep trying. The similarity of the catastrophes in Athens, Constantinople and medieval Europe suggests that whatever the pathogen is, it comes out of hiding every few centuries. And the last outbreak was its fastest and most murderous. What would it do in the modern world? Maybe we should find it, before it finds us.
Gravity and weather are what give the earth its shape
Answer:
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects.”
The rivers will go both north and sounth
On Unification Day, October 3, 1990, the German Democratic Republic (GDR) ceased to exist and joined the Federal Republic of Germany (FRG). This was the result of several years of pressure from Western nations and the weaning of Soviet support. What was left was a democracy.
