Pretty sure it’s D Genghis Khan
Eastern Europe & the (former) Soviet Union transitioned to a:
Market-based economy.
Answer:
The word is supposed to be in the bubbles right? I think it could be recycle? I might be wrong but give it a try.
Explanation:
Sorry if its wrong...
According to one hypothesis, life on earth emerged from (bluegreen algae/ amino acids/ molten metals/ crustal rocks) in the presence of large amounts of gasses seeping from deep ocean vents. ANother process called primordial soup suggests that the formation of life was due to the effects of (lightning/sunlight/gravity/meteorites) in earths atmosphere.