Answer: D. It can melt to a depth of a few meters in summer, then refreeze in winter.
Explanation:
Permafrost is ground which remains frozen for two or more years. Permafrost consists of soil, rock and sand fused together by ice. Mostly found in areas in high altitude, the Arctic, Antarctica, it is common in periglacial environments where temperatures are below freezing
.
The topmost layer of permafrost can melt in summer and refreeze in winter. This thawing and refreezing produces a ground pattern called columnar joints similar to the one formed when molten lava cools.
Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence
The Tropic of Cancer passes through eight states in India whereas the Standard Meridian passes through five states in India.
The Tropic of Cancer is the northernmost circle in the latitude of the earth. The Standard Meridian is the longtitude that helps describe the time in a country.
- The Tropic of Cancer is among the most prominent latitude circles that divide the earth in various levels.
- The Tropic of Cancer passes through India.
- The line specifically passes through eight Indian states.
- These states are: West Bengal, Tripura, Mizoram, Jharkhand, Madhya Pradesh, Chhattisgarh, Gujarat, and Rajasthan.
- The Standard Meridian is a longitudinal line that runs across the Indian subcontinent.
- This line describes the time in a country.
- In India it passes through five states.
- The states are: Uttar Pradesh, Chhattisgarh, Madhya Pradesh, Andhra Pradesh, and Orissa.
Therefore, the Tropic of Cancer passes through eight states in India whereas the Standard Meridian passes through five states in India.
Learn more about the Tropic of Cancer here: brainly.com/question/98968
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Answer:
<u>d. Increase of the amount of CO2 in the atmosphere</u>
Answer:
V. Moderate
IV–V falls within the range of
4.0–4.9 so we put at 4.9
Explanation:
This V. Moderate earthquake is the type felt by nearly everyone, with many people awakened. Some dishes and windows are usually broken, and unstable objects are overturned such as books in a bookcase. Pendulum clocks may also stop.
