Why does oceanic lithosphere subduct while continental lithosphere does not

Answers

Answer 1

Answer: ocean floor is much more denser than the continental crust that's why the oceanic crust subduct rather than the continental crust

Answer 2

Answer:

Final answer:

Oceanic lithosphere subducts while continental lithosphere does not due to differences in density and thickness. When these two plate types converge, the denser, thinner oceanic plate subducts into the upper mantle while the thicker, less dense continental plate remains buoyant.

Explanation:

The oceanic lithosphere subducts while the continental lithosphere does not because of differences in their composition and thickness. Continental lithosphere is generally thicker and less dense than oceanic lithosphere, making it rather buoyant. Consequently, when an oceanic plate and a continental plate converge, the denser, thinner oceanic plate is often readily thrust down into the upper mantle, creating a subduction zone.

This subduction process leads to significant pressure and temperature increases, causing the subducted plate to melt several hundred kilometers below the surface. The material from the melted plate gets recycled into a downward-flowing convection current, balancing the upward flow of material along rift zones.

In contrast, collisions between two continental plates usually result in the buckling and folding of Earth's crust, creating mountain ranges rather than subduction zones.

Learn more about Subduction here:

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Air moves through the respiratory system in a continuous cycle. Which of the following correctly describes the movement of air through the parts of the respiratory system

Answers

Nose ->pharynx -> trachea -> bronchi -> bronchioles -> alveoli ->gas exchange with the cells and then back out of your system.

Answer:

nose, trachea, bronchioles, alveoli, cells

Explanation:

The breakdown of food into molecules small enough to enter the bloodstream is primarily accomplished by the _____.stomach
small intestine
large intestine
liver

Answers

Answer:

The correct answer would be a small intestine.

The small intestine is the principal organ of digestion as well as absorption.

Events take place in the small intestine:

Intestinal enzymes such as maltase, lactase, sucrase et cetera digest disaccharides to their respective monosaccharides such as glucose, fructose, galactose.
Dipeptides are digested to amino acids.
Intestinal lipases convert di and triglycerides into fatty acids and glycerols.
Lastly, nucleotide and nucleoside are converted their respective sugars and bases.
The digested food is then absorbed with the help of diffusion, facilitated diffusion, and active transport.
The mucosa layer of small intestine consists of finger-like projections called villi and microvilli.
They increase the surface area of the small intestine and help in absorbing the digested food.
They then transport the absorbed materials to the bloodstream through capillaries and lymphatic vessels lying close to their surface.

Answer:

small intestine.

Explanation:

List the three types of plate boundaries and describe the relative motion at each of them

Answers

The three types of plate boundaries are ;

Divergent plate boundary
Convergent plate boundary
Transform plate boundary

The divergent plate boundary ; This boundary is formed when tectonic plates move away from each other thereby forming new crust below the earth in the process

Convergent plate boundary ; This plate boundary is formed by the collision of two or more tectonic plates. If one of colliding plates is an Oceanic crust tectonic plate the collision will lead to a subduction

Transform plate boundary ; At this boundary tectonic plates slide pass one another without having any significant effect on the earth crust

Hence we can conclude that the three types of plate boundaries are ; Divergent , convergent and transform

Learn more : brainly.com/question/21536887

Divergent plate- The motion of the boundary is outward making new crust beneath the earth Convergent - going inward the denser crust goes under the less dense crust which pulling the crust inside the earth melting it down Transform- is just slide by each other nothing is going into the earth or spreading out making new crust is just slide the plate boundaries

Using an umbrella when it rains allows one to escape from getting wet. In this case, the stimulus is _____, the response is _____, and the outcome is _____.

Answers

The stimulus is rain, response is using an umbrella and the outcome is not getting wet.

Can someone tell me what to do on this ):

Answers

On the periodic table, you will see that they are grouped into different groups. Well, on the right, you have the groups, obviously. You are supposed to match the elements to the group that it is in.

(If you don't know the groups, you can find one online under images.)
Hope this helps! Please give brainliest answer!

Select all that apply.Select the items that have a pH level between 5 and 8.

pure water

Great Salt Lake

saliva

ammonia

Answers

Pure water is very close to a pH of 7. The Great Salt Lake (from what I've read about) can range from 8.2 to 7.7 in different areas. Saliva is between 6.5 and 7.5. And ammonia has a pH of 11.
So the items that have a pH between 5 and 8 are pure water, saliva, and possibly the Great Salt Lake.

Answer:

Pure water and Saliva

Explanation:

Pure water has a pH of about 7

Your saliva has a pH of about 6

The Great Salt Lake has a pH of about 10

Household ammonia has a pH in between 11 and 12

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