Um The Soviet Union's collapse not only threw economic systems and trade relations throughout Eastern Europe into a tailspin
IM NOT SURE BUT I THINK SHE ASKING HOW TALL IS THE BBUILDING KNOWING THAT EACH FLOOR IS 1m AND SHE RECORDING THE TIME FROM EACH FLOOR THE BALL IS DROPPING SO SHES TRYING TO FIGURE OUT HOW TALL IS THE BUILDING
Answer: It's thought to be around 10 billion years old—twice as old as the Solar System—when the majority of stars in our galaxy were first beginning to shine. The Milky Way is about 12 billion years old. The confirmation of TOI-561b demonstrates that rocky planets may have been forming for most of the history of the Universe
Explanation: