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3 years ago

Which screw need less effort to turn and which can be screwed into position faster and why?

Advanced Placement (AP)

1 answer:

Elena-2011 [213]3 years ago

6 0

Would it be number one? I'm not totally sure but I think so because for number two you would have to screw it longer which takes a little more effort.
Just saying I don't know if I'm 100% correct but I think I could be correct.

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Light waves are transmitted across the ________ and enter the eye through the ________.

alexdok [17]

Light waves are transmitted across the cornea and enter the eyes through the pupil.

<h3>FURTHER EXPLANATION</h3>

The eyes and the brain are important in helping people see. Light passes through the eyes and this light gets transformed into electrical signals which are sent to the brain that helps make sense of the object that is seen.

<h3 /><h3>How People See</h3>

Light is incident on an object (or strikes an object). Some of it get absorbed, some are reflected into a human's eye.
Light that bounces off the object is transmitted across the cornea, the transparent outer layer of the eye. It refracts the light and makes things look sharp and clear.
Then the light enters the pupil which is the opening in the eye controlled by the iris or the colored part of the eye. The iris changes the size of the pupil and controls the amount of light that enters the eye. When there is bright light, the pupil becomes smaller. In dim light, the opposite happens and the pupil becomes bigger.
At the back of the pupil is the lens which again helps focus the light. Its shape changes depending on the distances of the objects that is being looked at.
The light rays are focused by the lens so that they all converge in the retina which is at the back of the eye. The retina has many specialized cells which are sensitive to light. These cells transform light energy into electrical signals or nerve impulses which form a rough inverted image of the object the person is looking at.
The electrical signals travel to the brain through the optic nerve. The brain turns the image upright and adds more detail to the vision.

<h3 /><h3>LEARN MORE</h3>

Virtual and Real Image brainly.com/question/916093
Refraction brainly.com/question/8533315
Lens brainly.com/question/2919483

Keywords: eye, vision, cornea, pupil

3 0

4 years ago

Read 2 more answers

What is meant by the term ""quartz"" written on watches?

Doss [256]

Answer: Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks and watches are at least an order of magnitude more accurate than mechanical clocks.

Explanation:

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3 years ago

It can be inferred that the author's primary purpose in this passage is to

stellarik [79]

Answer:

It's C.

Explanation:

Took the test on Edge.

7 0

3 years ago

Bakit mahalaga ang tungkulin ng NDRRMF sa pagbuo ng CBDRM?

olga55 [171]

Answer:

hiiii

Explanation:

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3 years ago

Miguel is conduction a probabilaty experiment using a coin. Make a list showing all posibble outcome if he flips the coin one ti

worty [1.4K]

Answer:

{H1, H2, H3, H4, T1, T2, T3, T4}

Explanation:

A coin : {H, T}

Spinner : {1, 2, 3, 4}

Sample space for a coin toss and a spin :

Arranging possible outcomes of the spinner horizontally and the possible outcomes of the coin vertically ; we Obtain :

____ 1 ____ 2 ____ 3 _____ 4

H__ H1 ___ H2 ___ H3 ___ H4

|_______________________

T__ T1 ___ T2 ____ T3 ___ T4

HENCE, List of all possible outcomes :

{H1, H2, H3, H4, T1, T2, T3, T4}

8 0

3 years ago