why are ultraviolet rays harmful for our eyes?​

Answers

Answer 1

Answer:

This may cause caterax to the eyes; which is known as the clouding of the eyes. Extended exposure to UV rays may increase one's risks for macular degeneration of the eyes**damage of the retina** the back of the eyes

Explanation:

I am an Optometric Technician and a student at UMHB still learning but this is what I know. Hope this helped and have a great day

Answer 2

Answer:

Ultraviolet rays from the Sun harm our because they come very fast and they have too much light that a human eye cannot see it through naked eyes.


Related Questions

Which of the following is not good advice for keeping yourself and others safe while driving?

A. Choose a designated driver if your group is drinking.
B. Drive after midnight, if possible, to avoid traffic.
C. Make sure you and all passengers wear seatbelts.
D. Read safety reviews before buying new or used vehicles.​

Answers

Answer:

B

Explanation:

You need to be well rested and on high alert

hope this helps

Traffic rules are the laws that should be followed for road safety and includes safe driving. Driving after midnight to avoid traffic is not a good suggestion for keeping yourself and others safe. Thus, option B is correct.

What is safe driving?

Safe driving is a focused and attentive way to drive the vehicles to avoid any accidents and ensures the alert driver that pays attention on the road and is alert and prepared for any situation.

For a driver to be safe and to follow the traffic rules one should not drive at midnight as there might be chances of accidents due to sudden sleep.

Therefore, driving at midnight is not safe.

Learn more about safe driving here:

https://brainly.com/question/16988162

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what is the correct definition for
voluntary muscles

Answers

Muscles that contract without conscious control are known as voluntary muscles.

What are voluntary muscles?

Voluntary muscles include skeletal muscles like the biceps, quadriceps, and other skeletal muscles that can be deliberately contracted and receive a brain signal to do so. These muscles, which are found in the bones, contract in accordance with the individual's volition.

Voluntary muscles can occasionally contract or expand without "being taught to," which can be painful or uncomfortable. These movements are known as muscle spasms or cramps, and they can occur for a number of different reasons, including inadequate stretching, misuse of the muscles, dehydration, or disease.

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plzzzzz help fast


What are the substances that can be produced by fermentation? Select all that apply.

ATP molecules

water

carbon dioxide

oxygen

lactic acid

Answers

Answer:

ATP molecules

carbon dioxide

ethanol

In which step of the decision making model would you ask, Does this option maintain my self respect?
A.
Describe the situation.
B.
Brainstorm possible actions to take.
C.
Evaluate your values.
D.
Weigh the pros and cons of each option.

Answers

The answer is B because the brainstorm possible actions to take

Elucidate any 4 needs and importance of population education

Answers

Explanation:

Population education helps to improve the well-being of their families and communities. Population education leads to a greater awareness among students and teachers and a positive change in their attitudes. It can have an especially important impact on women in society.

if my answer helps you than mark me as brainliest.

what was the total number of government hospital in Nepal in 2011​

Answers

Answer: It was 2

Explanation:

hehe

Answer:

65 hospitals total

Explanation:

hope it helps!

The impact of risky teenage behaviour on others social well being

Answers

Answer:

stealing money which makes people uncomfortable in social life can also cause anxiety , mental stress and unhappiness

1.4 Examine the impact of risky behaviour on the different spheres of well-being as listed below: /Social /Emotional /Physical /Spiritual​

Answers

Risky behavior means any consciously or unconsciously controlled behavior that have a potential negative consequences as well as perceived positive consequences from such person.

Activities like having unprotected sexual activity, smoking, alcohol abuse, binge drinking are all consequence of risky behavior.

Socially, risky behavior may involve activities like sky diving, taking of hard drugs. This behavior boosts social confidence and esteem.

Emotionally, risky behavior makes individual to do what ought to be done. Successful act of this behavior lead to high self esteem

Physically, risky behavior involves act that can destroy or harm the health. That is, this behavior in most time involves activities that harms the body.

Spiritually, risky behavior like smoking, binge drinking has a direct relation which loss of faith with the spiritual being. This behavior widens the gap between the creator and human being.

Learn more about this here brainly.com/question/22500300

Why should we give emphasis to cleanliness and exercise?​

Answers

Answer:

As an assertion of moral superiority or respectability, cleanliness has played a role in establishing cultural values in relation to social class, humanitarianism, and cultural imperialism. Cleanliness is linked with proper hygiene. A person who is said to be clean usually depicts cleanliness.

What is health literacy

Answers

Answer:

Personal health literacy is the degree to which individuals have the ability to find, understand, and use information and services to inform health-related decisions and actions for themselves and others.

Answer:

The answer would be A. The ability to gather, understand, and use health information.

Explanation:

Hope that helps!

"You pray for rain, you gotta deal with the mud too. That's a part of it."
-Denzel Washington

Answers

not sure what the question here is, but nice quote!

“It is better to offer no excuse than a bad one.”

― George Washington

What happens if we eat less ?

Answers

Explanation:

If you take in fewer calories than needed, you will lose weight. Restricting intake to fewer than 1,000 calories daily can slow down your metabolic rate and lead to fatigue since you're not taking in enough calories to support even the basic functions that keep you alive.

pls mrk me branilest

Answer:

your body will be great an well shaped

Explanation:

eating less release body muscle to relex

plz help me I need help​

Answers

Answer:

vitamin A deficiency..

if my answer helps you than mark me as brainliest.

What do chia seeds help with your body?

Answers

I believe it helps with digestion

Describe the Principles of Training and their impacts in constructing own training programs

Answers

Answer:

Training Principle 1: Overload. ...

Training Principle 2: Progression. ...

Training Principle 3: Recovery. ...

Training Principle 4: Specificity. ...

Training Principle 5: Reversibility. ...

Training Principle 6: Individual Response to Training Stimulus.

Explanation:

definition of fimbrae​

Answers

Answer:

In bacteriology, a fimbria, also referred to as an "attachment pilus" by some scientists, is a short appendage found on many Gram-negative and some Gram-positive bacteria, and that is thinner and shorter than a flagellum.

Does God exist, like for real?

Answers

Answer:

Well, It honestly depends on the person. Better to be right than wrong tho, right?

Explanation:

Answer:

That depends on what you think. God is the "power source" or a "creator" for some religions and cultures and if you believe he is than yes he us but if you don't believe on God than I guess not.

Which quality do most people value in a good friend?

Answers

i experience and express empathy for others.

I am able to be non-judgmental.

I am a good listener.

I am supportive of others in their good times.

I am supportive of others in their bad times.

I am self-confident.

I am usually able to see the humor in life.

I am fun to be around.

Activity log - Arms


Record your time and activity below and in your unit fitness log. If a particular category does not apply, leave it blank.


Date: 08/21/21

Warm-up: N/A

Cool-down: 2 minutes

Type of Activity: Muscular

Description of Activity and Time: Upper Arm Extension N/A

Intensity Level: Moderate

Total Time:N/A

Answers

I don't exactly know what your question is, but, this is a good fitness log.

Mine would look something like

DATE 8/30/21

Warm up: 3-5 minutes

Arm circles and jumping jacks

Workout: 30-45 minutes

bicep curls, tricep extension, and forearm curls

Cool down: 3-5 minutes

light stretches

Duration: 36-55 minutes

Type of activity: Strength training

Intensity level: High

how many bone are found in human body​

Answers

Answer:

206 bones

Explanation:

.................

Answer: 206 bones

Explaination: The adult human skeleton is made up of 206 bones. These include the bones of the skull, spine (vertebrae), ribs, arms and legs. Bones are made of connective tissue reinforced with calcium and specialised bone cells. Most bones also contain bone marrow, where blood cells are made.

Hope it helps!!

identify one way that you can exercise control over heredity and the effect it has on your health

Answers

by exercising quality sleep. it lowers risk of diabetes and heary related diseases.

I would ask someone like a family member if what I have does it run in the family.

Why do some people experience frequent heartburn when they smoke cigarettes?

Answers

Answer:

If you smoke or chew tobacco, stop. The nicotine from tobacco relaxes the valve between the esophagus and stomach (lower esophageal sphincter). This can allow stomach acid and juices, the chemicals that break down food in the stomach, to back up (reflux) into the esophagus, which causes heartburn.

Explanation:

what was the most important reason that prevented people from understanding the internal structure in ancient and medieval times ?

Answers

Answer:

During the ancient and medieval times, they forbade dissection because it was inhumane. It is also linked with religious reasonings. So, they prevent people from understanding the internal organs of a human being.

Skincare

I have this on my for more than 4 months ig. It’s not improving. Can anybody tell me what’s this or how can I get rid of this?

Answers

This is acne
Try putting toothpaste

Air passes through the nose, pharynx, larynx, intestine, and bronchi on its way to the lungs.
A. True
B. False

Answers

Answer:

True

Explanation:

This is true, because when you breath in, it goes down your pharynx (the space between your nose and throat), larynx (your throat), intestine (the tube that connects the throat to the lungs) and the bronchi (the little cauliflower looking things inside the lungs that deliver oxygen to your blood cells.

Hope this helped :)

A person who drives under the influence of alcohol or drugs:

-Has lost the ability to make wise decisions
-Should drive very slowly to be more careful
-Is safest to drive alone in the car
-Can potentially only harm or injure themselves

Answers

Answer:

has lost the ability to make wise decisions

Answer:

Can potentially only harm or injure themselves

Explanation:

Not only is it illegal to drive under the influence, but they can hurt themselves and people around them. It is not safe, and you should wait until you are sober, and you don't feel like you are drunk or high.

How many bones are in an adult body?
How many chambers does the heart have?

Answers

Answer: 206 bones in an adult body.

Heart has 4 chambers

Explanation:

206 bones in the adult and 4 chambers rhat the heart has

Swelling and imitation of the tendon is called osteoporosis.
A True
B. False

Answers

Answer:

False

Explanation:

Osteoperosis is when your bones get weak,

Tendonitis is the correct term for when the tendon is inflamed.

write a function of cell?​

Answers

They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves

Answer:

Explanation:

They are the basic unit of Life, they are kind of like the main ingredien, however there the main ingredient of the organism.

plz help me I need help​

Answers

Answer:

protein is the answer......

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