The effect of greenhouse gases on the Tundra ecosystem will cause Increased greenhouse gases will increase the overall average temperature of the region, resulting in the melting of the polar ice.
The tundra is a scientific term to refer to the polar geographic region characterized by:
- Low growing vegetation.
- Frozen subfloor.
- Absence of arboreal vegetation.
- Soils that are covered in moss, lichens, snow, or ice.
- In some places they are swampy.
This region is being affected by greenhouse gases because they heat the poles, cause a thaw, and the water level is rising making the tundra an exclusively marshy region.
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When making an interpretation of a past event, a historian:
Analyzes existing studies related to the event to determine if they are biased.Hence option B
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What is the work of a historian? </h3>
Archival records are frequently studied and preserved by historians. By examining historical records and sources, historians conduct research, analyze, interpret, and write about the past.
The complete part of the question n is attached in the image below :
Three things that a historian does
- translate documents or seek a translation.
- editing historical texts and displays.
- assembling comprehensive data on people from credible sources in order to build biographies.
- conducting interviews to learn more about people's life experiences.
Hence, the correct option is B
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Because of widespread fear of a strong central government at the time they were written and strong loyalties among Americans to their own state as opposed to any national government during the American Revolution, the Articles of Confederation purposely kept the national government as weak as possible and the states as independent as possible. However, this led to many of the problems that became apparent once the Articles took effect.
Answer:
Megalithic
Explanation:
relating to or denoting prehistoric monuments made of or containing large stones.