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.
Answer:
C. Labor force participation rate
Explanation:
Historically, men have made up a larger percent of the work force. Now as societies go towards equality, women are participating in the work force.
Moscow is the only global city in the region of Russia and its neighbouring countries.
Answer:
As with most of Latin America, Catholicism is the main religion in Chile since its introduction during the Spanish colonization of the Americas although their figures have declined signifactively in the last decade. According to latest polls, between 45% and 55% of the population identifies as Catholic.
1. Fixation (bacteria converts nitrogen to ammonium so plants can use it)
2. Nitrification (bacteria changes ammonium to nitrates and plants absorb these nitrates)
3. Assimilation (plants absorbs nitrates it is then used for chlorophyll, nucleic, and amino acids)
4. Ammonification (plant or animal dies and turns nitrogen back into ammonium through decomposition)
5. Denitrification (bacteria release nitrogen into the air)