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ArbitrLikvidat [17]
3 years ago
9

What gives Earth its magnetic field?

Geography
2 answers:
kherson [118]3 years ago
8 0

Answer:

The magnetic field of Earth is caused by currents of electricity that flow in the molten core. These currents are hundreds of miles wide and flow at thousands of miles per hour as the earth rotates.

Explanation:

pochemuha3 years ago
3 0

Answer:

I think its gravity but not sure

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A water feature that could be a source of groundwater for humans is found at a location on a hillside where Earth’s surface is l
Nutka1998 [239]

Answer:

spring

Explanation:

A spring forms where the water table intersects the ground surface. Sometimes, the ground surface is lower than the water table. This forms a natural water flow as a spring.

  • An artesian well occurs where pressurized formations containing ground water is found.
  • Unsaturated zone is not filled with ground water.
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6 0
3 years ago
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What are the cycles that have historically controlled natural climate variability? List the name of each cycle, its natural time
Verdich [7]

Answer:

As explained below.

Explanation:

  • Climate oscillation or climate cycles are a recurring oscillation within the global or regional climates and their fluctuations produce varying climatic cells and pressures often occurring on an interannual and multi annular basis.  
  • On a decadal and millennium timescales.Current examples of the ENSO, Pacific oscillation, Antarctica, and arctic oscillation. like ENSO is characterized by flooding and drought conditions and the distribution of extreme conditions in the form of heat and cold waves.
  • Other cycles like the Piora oscillation, Little ice age, medieval warm period, retreating of glaciers and warming of the planet. All these cycles move on earth from the equator to tropics to temperate to polar areas and the continuous warming and cooling periods have altered the rate of spreading of the seafloor and oceanic basin.
  • Present warming has drastically created a major change in the evolution of species causing extinction and quick decomposition of resources. The release of carbon and methane gases over these years have raised the greenhouse effect at alarming rates.
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3 years ago
7. Which of the following is not a natural cause of climatic change? A. Volcanic activity B. Human activity C. Solar activity D.
monitta
I think B. Human activity
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3 years ago
Examples of human-environment interactions
vichka [17]
Human-environment interactions is the intercations between the human social system and the ecosystem.

One example could be that the people in rural depends on the natural resources,such as the soil,land,and animals to farm,build facilities and hunt to sustain livelihood. Resources taken from the ecosystem are used, however one does not simply carry on like that. For instant when there is excessive cultivation, the soil nutrient would be used up causing soil erosion,leading to the soil no longer fertile enough to farm. Therefore,measures are carry out to preserve the land like growing different crops and using fertilizer.

Hope it helps!
7 0
3 years ago
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The driest place on Earth is the Atacama Desert, high in the Andes Mountains of South America.
Viefleur [7K]

Answer:

Question? You are supposed to write questions on this website, not statements.

8 0
3 years ago
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