Answer:
Explanation:Geology and the planets inner core and crust the magna and lava at varying planet depths
Answer:
Perestroika under Soviet leader Mikhail Gorbachev´s rule was:
a. restructuring of the planned centralized economy,
Explanation:
It was an attempt to reform the socialist command economy in the 1980s, its lack of economic and entrepreneurial incentives, an attempt to stimulate innovation and overcome stagnation. It didn´t reach its goals and led to unrest in the Soviet Union.
Natural resources could be the answer
Answer:
Buffered solutions or buffers are solution which resist a change in PH when small amounts of acid or base are added. Buffers contain an acidic species to neutralize OH- ions and basic species to neutralize H+ ions Buffers are therefore made of weak acid-base conjugate pairs , such as HC²H³O² and C²H³O².
Explanation:
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A. collapsing dust clouds
