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

formulate the relationship between food processing and food preservation​

Answers

Answer:

Food processing is process of transformation of raw ingredients into food by the means of physical and chemical means. ... Food processing must be balanced with the food preservation also. Food preservation is to stop or slow down the spoilage of food, loss of quality and edibility of food for longer time.

length of a pencil is 4 cm . what does it mean?​

Answers

Answer:

the distance from the begining of the pencil till its end it's 4 cm

l = 4 cm

........

where does poop come from

Answers

Poop is formed in the large intestine as a result of the digestion and absorption of food, and the elimination of waste material from the body.

The rectum and anus expel waste, often known as poop. Digestive waste. Our digestive system processes food. Enzymes in the stomach break down food, which the small intestine digests.

While undigested food, fibre, and dead cells pass through the large intestine, nutrients and water are absorbed into the bloodstream. The large intestine reabsorbs water and solidifies waste. The rectum stores faeces until bowel movements.

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steamed
potatoes will retain more nutrients as compared to boiled potatoes. Whole fruits are more nutritious than
juices
.

Answers

Answer:

yeah, that fruit fact is true. blending fruit and veggies can actually destroy the fibers in which those nutrients reside.

Answer:

First blank is steamed and the second blank is juices.

Explanation: I got it correct, here to confirm.

PLEASE HELP ME. what are 5 examples of food contaminants and what are the source s of them. and what are 5 negative Health Risks caused by food contaminants.​

Answers

Some of the more common examples of physical contaminants include glass, metal, rubber, bone, wood, stone and plastic.

Answer the question - help
The civic issue I chose is Vaping for teens and the damage it causes.


1 . What are the two opposing points of view on this issue?


2 . What types of actions have been tried before?


3 . What, if anything, would you say has been successful so far and why?

Answers

Answer:

Explanation:

because the vapes have fiber glass in them

they tried too make a nicotine  free on but fiber glass was still getting in peoples lungs

What is the difference between a virus;bacteria and a parasite?

Answers

Answer:

Explanation:

Bacteria and viruses can live outside of the human body (such as on a countertop) sometimes for many hours or days. But parasites need a living host to survive. Bacteria and parasites can often be killed with antibiotics. But these medicines can't kill viruses.

plz help me I need help​

Answers

the answer is night blindness

please give brainliest

Answer:

Night blindness.

Hope it is helpfully

Can anyone answer these questions you don't have to do all of them!

1.What is a powerful decision you had to make that was hard for you to make but left you a better person?
2.Can you share with me a life lesson of something you've learned from a painful or traumatic experience you've gone through?
3.Who do you go to when you need help or when you need to talk things out because you feel down, confused or sad?

Answers

Answer:

1. Go with what you know

Give yourself some time

Plan how you'll tell others

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

In general, the more physical activity individuals do,
A. the more intense the exercise needs to be
B. the more money they will save on dieting
C. the more television they will be able to watch
D. the more benefit they will receive from exercise
Please select the best answer from the choices provided.

Answers

Answer:

D. The more benefit they will receive from excerise

Explanation:

This answer seems the best for me

help i cant figure this out please help me

Answers

Answer:

1.thyroid gland

2.metabolism

3.pituitary gland

4.parathyroid

5.calcium

mark me as brainliest if this helps to u

Answer:

1.thyroid gland

2.metabolism

3.pituitary gland

4.parathyroid

5.calcium

Explanation:

why is population called dynamic thing​

Answers

Population is called dynamic thing because it changes time 2 time because of migration ,birth and death

What is the purpose of embalming in the United States?

to allow for the quick burial of the deceased

to allow for practice by new morticians

to allow for the restoration of the soul of the body

to allow for the presentation of the body for viewing before burial​

Answers

Answer:

The common practice of embalming has one purpose: it slows the decomposition of a dead body so that a funeral can be delayed for several days and cosmetic work can be done on the corpse. Despite the appearances it creates, it is a violent process, and the corpses still decompose.

Explanation:

Answer:

Basically, what the other guy was saying is that it is to allow for the presentation of the for viewing before burial. :)

Explanation:

define census of population.​

Answers

Explanation:

The process of gathering, compiling, examining or distributing demographic, social and economic information related to a particular time of all the individuals in a place or a well-defined region is a population census.

Which percentage of American adults do not exercise on a regular basis?
A4096
B 5096
C5596
D. 60%
Please select the best answer from the choices provided.

Answers

Answer:

d

Explanation:

Which of the regulations below is not designed to protect the environment?
A) Resource Conservation and Recovery Act
B) Clean Air Act
C) Noise Control Act
D) Occupational Safety and Health Act

Answers

Answer:

the answer is D

Explanation:

The regulation that is not designed to protect the environment is  Occupational Safety and Health Act . The correct option is D.

The Occupational Safety and Health Act (OSHA) is primarily designed to protect workers' health and safety in the workplace. It focuses on ensuring safe and healthy working conditions for employees by setting standards, providing training, and enforcing regulations related to workplace safety. While ensuring the well-being of workers indirectly impacts the environment in certain cases (e.g., avoiding spills or releases that could harm both workers and the environment), OSHA's primary objective is not directly related to environmental protection.

On the other hand, options A, B, and C (Resource Conservation and Recovery Act, Clean Air Act, and Noise Control Act, respectively) are regulations explicitly aimed at protecting the environment. They address issues related to waste management, air pollution, and noise pollution, respectively, and their main purpose is to safeguard the environment and public health from harmful impacts.

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short note on population education and quality of life​

Answers

Answer:

populations can create a new generation. so witbh education, life will flourish

Explanation:

how does our body respire?

Answers

Answer:

Our lungs which are a part of our respiratory system allow us to breathe.  The lung brings oxygen into our bodies called inspiration, or inhalation and send CO2 out known as expiration, or exhalation. Thus said this exchange of O and CO2 is known as respiration.

Explanation:

Hope this answers your question properly. Have a great day :D

Briefly explain how digestion takes place in the human body.

Answers

Answer:

Digestion works by moving food through the GI tract.

Explanation:

Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules.

Answer:

Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules.

Explanation:

what does sex mean in kid

Answers

Answer:

either of two divisions into which many living things can be divided according to their roles in reproduction and which consist of males or females. 2 : the state of being male or female The form asks for your name, age, and sex. 3 : sexual activity.

Explanation:

plz mark me brainliest

plz help me I need help​

Answers

Answer:

Rhinovirus

Explanation:

they cause common cold

Is it ok to ask a question out of studies?

Answers

What is the question

The non-livings things present in the cell are called?​

Answers

Answer:Non-living things are inanimate objects or forces with the ability to influence, shape, alter a habitat, and impact its life. Some examples of non-living things include rocks, water, weather, climate, and natural events such as rockfalls or earthquakes.

Explanation:

18. Plaque eventually mineralizes to form calculus.
a. True
b. False

Answers

Answer: true

Explanation:

I believe the answer is true

Hope this helps have a great night!!! :)

EE.UU vs paraguay
ffffffffffffff​

Answers

Answer:

Is this even a question???????

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!

non communicable diseases can be prevented and controlled but can't be treated. prove it with examples {please explain them in brief :)}​

Answers

Answer:

Reduce the major modifiable risk factors, such as tobacco use, harmful use of alcohol, unhealthy diets, and physical inactivity. Develop and implement effective legal frameworks. Orient health systems through people-centred health care and universal health coverage. Promote high-quality research and development.Explanation:

Hi, I've been exercising for a few months now and I think I hurt my elbow, every time I flex it from full range of motion it cracks and doesn't hurt, but I'm worried it could be something serious.
Does anyone have any recommendations on how I can fix this?

Answers

Answer:

umm you should stop exercising until the pain subsides  

Explanation:

that is it

You should rest until it fix

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.
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