<span>They staged a revolution against Gorbachev's regime.</span>
I think that these are the answers for your questions.
3. B
4. B
Advice- Try looking it up because it has all the facts and explanation..
<span>The population of the farm in the united states changes between 1950 and today because it dropped from 20 million to fewer than 5 million people. The answer is letter C. Life in the farm is hard, their workload is very high but their rate of return of investment is very low. It did not help with the technology that we have nowadays, machines that can replace certain works that they have and so few of them remains.</span>
- The Existence of White Holes
Everyone knows about black holes and how their immense gravity sucks in everything around them, including light. But what about white holes? Theoretically, they’re the exact opposite of a black hole and instead of sucking in matter they spit it out.