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lakkis [162]
1 year ago
9

The following picture shows the three primary types of plate boundaries. Which boundary is being shown in label A? an arrow poin

ting from A to a formation of trenches and Island Arcs, an arrow pointing from B and C to an Oceanic Spreading Ridge, and an arrow pointing from D to a trench. © 2016 US Department of the Interior; US Geological Survey Divergent boundary zones Convergent boundary zones Plate boundary zones Transform boundary zones

Biology
1 answer:
IceJOKER [234]1 year ago
6 0

Answer:

The label A corresponds to Convergent boundary zones  

Explanation:  

When two oceanic plates collide, it occurs oceanic convergence. The thicker and older plate subduces under the other plate, and at this point, it starts the volcanic activity. As the thicker plate descends, it is heated and melted and its materials are incorporated into the mantle. The fast subduction originates magma that ascends to the surface by crevices. This makes place to the formation of grouped <u>volcanic islands</u>, t<u>he island arches</u>. Subduction zones coincide with deep-sea <u>trenches</u> or depressions in the ocean bed. The volcanic islands are arranged in a circumference arch shape, which is bordered by a fossa. Most of these are located in the western Pacific, where the pacific crust is older and thicker, and hence it submerges easier in the mantle.    

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Megan examines a liver cell and observes an organelle with many smooth-
natulia [17]

Answer:

Processing and packaging of cellular materials prior to export

Explanation:

Our cells contain many different organelles. Every organelle has its own function, just like every organ in our bodies.

The Golgi apparatus is one of these organelles. It can be found in most eukaryotic cells. Its purpose is to transport, modify, and package proteins and lipids before they're delivered to other parts of the body. This is the function the organelle with smooth-sided channels Megan is observing would need to perform in order to be identified as the Golgi apparatus.

3 0
1 year ago
State the law of constant volume of cell​
fiasKO [112]

It states that, for a given mass of an ideal gas at constant pressure, the volume is directly proportional to its absolute temperature, assuming in a closed system.

p1/t1=p2/t2

8 0
1 year ago
A scan of Sam's genome for the 100 most common mutations known to cause RP didn't find anything. How can you explain this result
yan [13]

Answer:

He is either not carrying the gene for RP or the RP gene has mutated.

Explanation:

RP or Retina Pigmentosa is an eye defect inherited by a person from a parent. The disease is degenerative as the individual gradually loses his sight. It normally starts off as night-blindness and could go as bad as a total loss of sight.

The mutation of both the RPGR and RP2 genes which are responsible for the function and structure of light-reception in the eye accounts for most cases of Retina Pigmentosa disease.

6 0
1 year ago
You find a fossil that you think is about 350 million years old. You decide to use 235U to date a volcanic ash bed just below th
devlian [24]

Answer:

I would expect that the sample has only 50% of the original 235 U.

Explanation:

That is because 235 U has a half-life of 700 million years and I expect that my sample be 350 million years old. 350 is half of 700.

8 0
2 years ago
Calculate the rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 7mm from
ZanzabumX [31]

Answer:

With 6 we should multiply gross photosynthesis (as we were measuring gross photosynthesis for 10 min).

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According to this question:-

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Gross photosynthesis = Net photosynthesis + Cellular respiration = 1.5+0.66 = 2.16 (mm/10min)

Rate of photosynthesis = (gross photosynthesis)6 = 2.16 *6 = 12.96 mm/hr

As we gage the photosynthesis rate in hr.

5 0
1 year ago
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