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Sindrei [870]
3 years ago
5

Why do so many earthquakes occur along plate boundaries

Geography
1 answer:
morpeh [17]3 years ago
3 0

Usually, the rock is moving along large cracks in Earth's crust called faults. Most earthquakes happen at or near the boundaries between Earth's tectonic plates because that's where there is usually a large concentration of faults. ... Movement along those faults can cause earthquakes too. Also, Earthquakes happen when rock below the Earth's surface move. Causing the Earth's surface to crack the closer you are to the plate boundaries the more pressure you get do too more force which is an earthquake.

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Match the ring of fire element in column 1 to the characteristics
Aleksandr-060686 [28]

Answer:

Explanation:

Coastal mountains: colliding tectonic plates near land

Volcanoes: A portion of the crust in a seduction zone near melting

earthquakes: A sudden shift between two touching plates

Tsunami: An undersea earthquake

7 0
3 years ago
Describe the formation, characteristics, and minerals present of the following rocks:
SOVA2 [1]

Explanation:

Serpentine

  • Formation: it forms through serpentinization, a geological low-temperature metamorphic process where low-silica mafic and ultramafic rocks are oxidized and hydrolyzed with water into serpentinite.
  • Characteristics: rich in magnesium and water, light to dark green, greasy-looking and slippery feeling. It can resist the transfer of heat. A source of asbestos, architectural stone, ornamental stone, gem material
  • Minerals present: it follows the formula (X)2-3(Y)2O5(OH)4 where X  can be magnesium, iron, nickel, aluminum, zinc, or manganese; and, Y will be silicon, aluminum, or iron.

Green Schist

  • Formation: they form by regional metamorphism of mafic igneous rocks through depth of burial, and proximity to batholiths.
  • Characteristics: The green is due to abundant green chlorite
  • Minerals present: actinolite and epidote mainly, but they can also include quartz, orthoclase, talc, carbonate minerals, and amphibole.

Basalt Pillow

  • Formation: it forms when lava of basaltic compositions erupted underwater. The rapid cooling of the lava forms the pillow-shaped bodies.
  • Characteristics: they are volcanic igneous rocks, very dark, almost black color.
  • Minerals present: Basalt has a lower percentage of silica and a higher percentage of iron and magnesium than other volcanic rocks.

Umber

  • Formation: it develops in Cyprus massive sulfide deposits.
  • Characteristics: is not one precise color, but a range of different colors, from medium to dark, from yellowish to reddish to grayish depending on the iron oxide and manganese in the clay
  • Minerals present: contains iron oxide and manganese oxide and sulfide precipitates like pyrite.

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
mention four reasons why most Communities they were not benefiting from the National Water act of 1998​
Zina [86]

Most Communities doesn't benefited from National Water act of 1998 because;

  • political issues
  • Corruption
  • poor management
  • poor development

<h3>What is the National Water Act?</h3>

The National Water Act serves as act in 1998 that protect and conserve the use of water resources.

Therefore, National Water Act control Rivers, dams, however not all communities benefited because of poor management.

Learn more about National Water Act at;

brainly.com/question/14284975

#SPJ1

4 0
2 years ago
Read 2 more answers
What does it mean to you to be a conservation leader
Anna11 [10]

Answer:

Conservation leadership is a term without a widely shared understanding of its scope and meaning. In this article, the author shares perspectives based on interviews, literature and a survey to begin to identify strategies that define conservation leadership. Results indicate that some elements of conservation leadership are similar to strategies of effective leadership more broadly. Conservation leadership also includes distinguishing aspects, however, such as conflict management and partnership-building.

Explanation:

5 0
2 years ago
The six largest countries in terms of population in Africa
statuscvo [17]
<span>Mogadishu, Somalia i hope it right </span>
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