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Tema [17]
3 years ago
7

What do scientists think produces earth's magnetic field? For 9th grade earth and space science

Geography
1 answer:
joja [24]3 years ago
5 0

Answer:

The Earth's magnetic field is believed to be generated by electric currents in the conductive iron alloys of its core, created by convection currents due to heat escaping from the core.

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Give an example of weathering that you have seen. Explain what type of weathering it is and how you think it happened.
pychu [463]

Answer:

Ice wedges are a big cause of potholes in roads and streets. As ice forms in the cracks of a street, the water expands and pushes against the surrounding rock, making the cracks wider, eventually breaking apart the rock.

7 0
2 years ago
What country is the largest island in the caribbean
GarryVolchara [31]
<h2>Answer: Cuba </h2>

Cuba is the largest island in the Caribbean Sea (also called the Antilles Sea), belonging to the Republic of Cuba.

It should be noted that Cuba as a country, is actually an archipelago consisting of the Island of Cuba, the Isle of Pines and a large number of keys and small islets; where only the first two islands are considered suitable to support a permanently resident population.

Its climate is classified as humid subtropical, with two clearly defined seasons, the dry season (from November to April) and the rainy season (from May to October) and with fresh continuous breezes throughout the year. This is due to the elongated shape of the island and its position in the Caribbean, which facilitates the trade winds to flow throughout the territory.

6 0
3 years ago
Africa has a few what to make products from its own raw materials
yaroslaw [1]
I think the phrase you are looking for is "natural resources" - these include fresh water, food and fertile soil on which crops can easily be planted.
8 0
3 years ago
Listed following is a set of statements describing individual stars or characteristics of stars. Match these to the appropriate
mixas84 [53]

Answer:

  • 1. The majority of stars in our galaxy    --  B
  • 2. very cool but very luminous    --  A
  • 3. not much larger in radius than Earth    ----  C.
  • 4. very hot but very dim   ----  C
  • 5. the Sun, for example    ---  B
  • 6. found in the upper right of the H-R diagram    --  A
  • 7. a very hot and very luminous star    ---  B

Explanation:

  • The red giant is a luminous star with a mass in the late period of its stellar evolution and as the outer atmosphere inflated and is tenuous and maks the radius much larger and the temperature up to the 5000k.
  • While the main sequence is the continuous and a distinctive and is a continuous band of the stars appears in the stellar colors and the brightness. The majority of the stars in the galaxy are formed by these stars and the sun is an example.
  • While the white dwarf is degenerated and is composed of the hot and the dim stars these have a high density and mass.
5 0
2 years ago
The difference between sinkholes and subsidence is that sinkholes occurs......?
allsm [11]

Answer:

Sinkholes are just one of many forms of ground collapse, or subsidence. Land subsidence is a gradual settling or sudden sinking of the Earth’s surface owing to subsurface movement of earth materials. The principal causes of land subsidence are aquifer-system compaction, drainage of organic soils, underground mining, hydrocompaction, natural compaction, sinkholes, and thawing permafrost. Land subsidence can affect areas that are thousands of square miles in size.

Explanation:

dont have one

7 0
2 years ago
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