Answer:
Energy decreases because it moves up trophic levels since energy is misplaced as metabolic warm when the life forms from one trophic level are expended by life forms from another level. Trophic level exchange proficiency (TLTE) measures the amount of vitality that's exchanged between trophic levels.
Explanation:
Gorbachev pursued glasnost and perestroika reforms in part because the war in Afghanistan had drained the nation's resources. Mikhail Gorbachev, as known as the former General Secretary of the Soviet Union (Russia), noticed that there has been a huge decrease in their resources. They were fighting a war in Afghanistan, and used all of the nation's resources to help them win the war. Since they used most of their resources, they didn't have much to help the economy, so if they don't get enough resources back, the economy would fail. Because of this Gorbachev made a movement called "perestroika" to help get back the nation's resources. What this movement did was let the government speaker, or have a conversation, about the issues that are going on in the economy, and see if there could be a way to solve it.
The united states came up with all that
During this era southerners were against letting slaves be free and many problems and disagreements came with this.
