Answer: a Volcanoe
What it is are openings, or vents where lava, tephra (small rocks), and steam erupt on to the Earth's surface.
Well the first few were found in Virginia, Jamestown and Plymouth.
Answer and Explanation:
This misinterpretation about occasional variety is predominantly due to the reason that they overlook what they have realized in school period or a significant number of the understudies have not gone to that course/address in their school and henceforth they use their common sense about their experience of different seasons and how they see or feel them.
A significant number of the understudies think about the Sun's development from Southern half of the globe to Northern side of the equator yet they overlook that Earth is tilted without anyone else hub and because of tilted hub, the approaching sun beams have various points and this is the fundamental explanation of Earth's regular variety.
Consequently, this misguided judgment will persevere for a forthcoming age until we make an overall battle on the variety of Seasons on the Earth and make youth, guardians and youngsters' make mindful of it.
Once in a while, youngsters get falsehood from their folks and seniors on such kind of logical and geographic data. It is on the grounds that guardians are likewise not plainly mindful of this kind of information. Consequently, we have to do some social crusade or exercise to make young people mindful of it.
Answer: thermosphere is the layer of the earth's atmosphere directly above the mesosphere and directly below the exosphere while mesosphere is layer of the earth's atmosphere that is directly above the stratosphere and directly below the thermosphere.
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.
