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3 years ago

PLZ HELP ASAP WILL GIVE BRAINLIEST!!!

Physics

2 answers:

igomit [66]3 years ago

3 0

the answer is the forth one treatment of cancer

ArbitrLikvidat [17]3 years ago

3 0

Answer:

Soft Tissue Images

Diagnosis of Diseases

Treatment of Cancer

Explanation:

Radioactive elements such as Iodine-131, Phosphorus-32 and Cobalt-60 are widely used in the medical field for various purposes. Elements such as Iodine-131 are used as tracers in diagnosis of diseases as they can be traced easily because of their radioactivity. The radioactive elements are used extensively in identifying cancerous cells and then in their extermination. Phosphorus-32 is such an element used in identifying cancerous cells as they tend to accumulate more phosphates in comparison to normal cells.

Cobalt-60 is used widely to treat cancer as it can be used to selectively target malignant tumor while minimizing the damage to adjacent healthy cells.

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Both the lens and the cornea of the eye have a primary function of

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Answer: B. bending light

Explanation:

The phenomenom of vision in human eye is thanks to refraction (when light changes its direction as it passes through one medium to another), and this is what the cornea and the lens do.

When the ray of light encounters the eye, the first thing it finds is the cornea, which bends this ray and begins to form an image, then light passes through the pupil, which is in charge of regulating the amount of light that enters in the eye.

After light travels through pupil it passes through the lens, where the rays of light change the direction again in order to focus the formed image on the retina.

At this point it is important to note the formed image is downward, then the retina transforms light into electrical impulses that are sent to the brain through the optic nerve and finally the brain interprets these messages, and forms a right upward image.

In the image attached these parts can be seen.

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Answer:

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