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uranmaximum [27]
3 years ago
9

Which of the following explains why the brain is important to sight?

Biology
2 answers:
Lyrx [107]3 years ago
7 0
The answer is B, it is the only answer that talks about electric signals.
melamori03 [73]3 years ago
6 0
I think the answer is B or A, but I'm more leaning towards B.
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John and Joshua used a light microscope to observe a plant cell. They indicated the magnification as x1000. Given the eye piece
Zinaida [17]

Answer:

Objective Lens Magnification = ×100

Explanation:

In a microscope, the ocular (eyepiece) lenses are usually to a magnification of ×10, meaning that it magnifies the image 10 times. While the standard objective lenses have magnifications of ×4, ×10, ×40, and ×100.

In order to work out the total magnification, the individual magnifications of the ocular and objective lenses have to be known, after which a simple multiplication of both magnifications will give the total magnification used.

Total Magnification = (eyepiece lens magnification) × (objective lens magnification)

1000 = 10 × obejcetive lens magnification

Dividing both sides by 10

Objective lens magnification = 1000 ÷ 10 = 10

∴ Objective lens magnification = ×100

7 0
3 years ago
Which of the following is a bacterium?
forsale [732]

the best answer choice for you would be Answer c. please mark brainliest

7 0
3 years ago
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What muscle covers the ventral, abdominal region in rats?
vampirchik [111]

Answer:

the external oblique.

Explanation:

<u>the external oblique</u> covers the ventral, abdominal region in rats.

8 0
2 years ago
How have humans changed the carbon cycle
zhenek [66]

Answer:

Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... This extra carbon dioxide is lowering the ocean's pH, through a process called ocean acidification.

Explanation:

5 0
3 years ago
An experiment was conducted by Diane Dodd in which a single population of fruit flies was divided into two, with one of the popu
BARSIC [14]

Answer: Allopatric Speciation

Explanation:

Allopatric speciation occurs when new distinct species are formed due to the separation of a specie into two separate groups. These two groups are kept away from each other.

In allopatric speciation there is no exchange of genes between the two separate groups.

Allopatric speciation can also be known as geographical speciation.

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