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frez [133]
3 years ago
11

Hannah’s job involves researching the complex interactions that occur between living organisms and Earth’s nonliving systems. Wh

ich discipline of Earth and space science does Hannah work in?
A.

oceanography

B.

meteorology

C.

environmental science

D.

chemistry

E.

astronomy
Biology
1 answer:
nevsk [136]3 years ago
4 0

Answer:  I know the answer is environmental science because I just took the test.

Explanation:

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The pacific plate is an ocean tectonic plate. How did a hot spot and the pacific plate interact from the hawaiian islands?
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The pacific plate moved over the hot spot, and the string of islands that make up the Hawaiian island chain were formed.
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3 years ago
at short focusing distances, ciliary muscles contract. what effect do these contractions have on the suspensory ligaments?
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At short focusing distances, ciliary muscles contract causing the suspensory ligaments to tighten.

The ciliary muscle is an integral muscle of the eye that is constructed as a ring of smooth muscle in the middle layer of the eye, the uvea (vascular layer). It regulates the passage of aqueous humor into Schlemm's canal and governs accommodation for observing objects at different distances.

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When the ciliary muscle relaxes, its diameter increases; when the suspensory ligaments tighten, the lens becomes thinner. This occurs when concentrating on a celestial object. When the ciliary muscle contracts, the lens becomes much more circular and has more focusing power because the pressure on the zonular fibers is reduced. When the ciliary muscles relax, these fibers contract, pulling the lens out and creating a flatter shape with less focusing power 

For more information on suspensory ligaments, visit :

brainly.com/question/12999415

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6 0
1 year ago
Please answer this
miss Akunina [59]

Answer:

I think the answer would be D,I'm not really sure though,hope I'm right,sorry if I,m not :)

Explanation:

6 0
2 years ago
In natural selection what must be true of traits that are passed down through generationsal selection where do the alleles or tr
goblinko [34]
I'm not sure if I will answer the question you asked, as I many have interpreted it incorrectly. In natural selection, there must be variance in the gene pool, the total frequency of alleles in a population. Now, one of the organisms may have a gene that somehow helps them survive from the selective force much better compared to the others. If this does happen, over time the gene pool will narrow down to become just the genes of that organism that survived better in the first place because the rest would be taken care of by the selective force. So, the alleles and trait come from the first organisms that had the advantage over the others of its species.
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