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MatroZZZ [7]
3 years ago
7

Phoebie brags to her boy-friend that she scored a "twenty twenty" at the eye doctorâs office today. The boy-friend tells her how

proud he is of her, although he doesnât really know what that means. Phoebie is technically referring to her performance on the __________ eye chart.
A. Von Helmholtz
B. Ishihara
C. Snellen
D. Colavita

Social Studies
1 answer:
zloy xaker [14]3 years ago
4 0

Answer: C - Snellen

Explanation: A Snellen eye chart is used to measure visual acuity. This chart was developed in 1862 by a Dutch ophthalmologist Herman Snellen.

This chart uses alphanumeric capitals in its 5 by 5 unit grid. An example of the chart is attached.

The  Snellen eye chart helps to determine the clarity of one's distance vision and it also helps to determine the legal visual acuity requirement for a valid driver’s license.

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Explanation:

Usually, bad and unexpected events may distract the human brain control. Such incidents can also be witnessed by a coincidence of any other sync activities. Here the song which I happened to hear when I got the sad news of  the sudden demise of my uncle will have high pathetic effects on my inner thought.

Such inner thought will touch my sense of unforgettable memories of my uncle when I hear that particular song tuned on the radio on that particular day. That selective song and the memories of my uncle will be an inseparable moment ringing into my painful feelings will conquer my mental strength even though the tragedy took place before three months.

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3 years ago
Dr. Chan has diagnosed 8-year-old Hsu with myopia (nearsightedness). He recommends that Hsu spend more time playing outside in t
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Answer:

Sunlight reduces myopia

Explanation:

Ian Morgan, a vision researcher in Europe found that higher annual lifetime Ultra-Violet B exposure, directly related to time outdoors and sunlight exposure, was associated with reduced odds of myopia

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3 years ago
What is barter system? What is community​
IRINA_888 [86]

Answer: A barter system is an old method of exchange. Th is system has been used for centuries and long before money was invented. People exchanged services and goods for other services and goods in return. ... The value of bartering items can be negotiated with the other party. And community is a group of people living in the same place or having a particular characteristic in common.

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Explanation:

6 0
3 years ago
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mr Goodwill [35]
Capitalism is not a system of government, but an economical system - so it can't be the correct answer.

The correct answer is" republic" - in a republic people don't exercise their power directly, but choose representatives and this is the case in the US (the representatives are for example the Congress and the President)
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2. What is stated by the law of supply?
MariettaO [177]
2. What is stated by the law of supply?

D. An increase in price will inspire an increase in units supplied. 

3. Which factors affect the price of smartphone app?
Select all that apply.
(you can choose 2 answers for this question.)

A. Price of similar apps. and D. Time scarcity costs of consumers.
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3 years ago
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