Answer:
Eritrea has faced several challenges since gaining independence from Ethiopia in 1993. The country has only one political party that maintains all of the control. Democratic national elections have yet to be held; the transitional government is still in power, and no constitution has been implemented. Furthermore, territorial disputes with Ethiopia continue. Eritrea's command economy is struggling. Over 80% of the population is engaged in subsistence agriculture. Climate changes have created problems for agriculture, and drought is a major issue. Finally, property damages due to war have proven costly.
Explanation:
That is the correct sample response.
Answer:
B. Rock and soil that is removed to mine ore.
Explanation:
Overburden is a material or substances that is present above the metal ore. This metal ore is present inside the rock and soil so for its extraction the rock and soil must be removed that is present above it. Metal ore such as gold, silver,coal, iron and platinum are present inside the earth crust. These metals are not present in pure form some soil particles or other substances are present with it which is removed with the help of various instruments and machines.
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The inner core is also believed to be moving at a different rate than the outer core. These swirling convection currents result in the earth's magnetic field which keeps us properly oriented for travel, and shields earth from deadly cosmic rays