How do lenses correct vision?

A.) They bend the cornea.
B.) They reflect light away from the retina.
C.) They reflect light towards the retina.
D.) They bend light so that it focuses on the retina.

Answers

Answer 1

Answer:  D

Explanation:

Glasses correct vision by allowing your eyes to focus light on the correct spot of your retina. The curved frames bend light, and with the right prescription, these frames manipulate the light to reach the correct spot on your retina.

Answer 2

Glasses improve vision by focusing light on the retina. With the right prescription, curved frames bend light to reach the retina.Therefore, option (D) is correct.

What is the function of lenses?

Your eyes will be able to focus light on the appropriate portion of your retina when you wear glasses. This will result in improved vision. Light is bent by the curved frames, and when combined with the appropriate prescription, these frames may modify light such that it falls on the retina in the correct location.

Myopia, often known as the inability to see things that are far away, can be rectified with a lens that has a diverging power, which lowers its overall strength. The condition known as hyperopia, in which a person has difficulty seeing things that are up close, can be treated with a lens that converges light in order to boost its power.

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Related Questions

the first group of animals to colonize land was likely

Answers

Answer:

horses

Explanation:

The Middle East and Eurasia (primarily Russia) have about 70% of the world's
Select one:
Оа.
natural gas reserves.
on
O b. coal reserves.
O coil reserves.
O d. peat reserves.

Answers

a. Natural gas reserves

This is a short question if anyone would be able to help me please i really need the help!!!!

Answers

What is it i hope i can helps you:(

Describing Cause and Effect Select the question mark. Choose the cause that brings about the effect. option a: the chicks hide in tall grass. b: not much grass grows on the nesting grounds. c: the chicks parents bring him good. d: the gray chick hatches.​

Answers

Answer:

Cause: Not much grass grows on the nesting grounds

Effect: Some Arctic tern chicks have nowhere to hide

the condition of having a diploid chromosome complement in which one chromosome lacks its homologous partner.

Answers

Monosomy: the condition of having a diploid chromosome complement in which one chromosome lacks its homologous partner.

A trisomy is a chromosomal disorder characterized by an additional chromosome, so the person has 47 instead of 46.

Nullisomic is a genetic condition involving the lack of both the normal chromosomal pairs for a species (2n-2).

So, the correct answer is 'Monosomy'.

Cryptosporidium parvum (C. parvum) is a single-celled, eukaryotic parasite that infects human cells in the digestive system and causes illness.

a. True
b. False

Answers

The statement 'C. parvum is a single-celled, eukaryotic parasite that infects human cells in the digestive system and causes illness' is TRUE. This parasite causes diarrhea.

Cryptosporidium parvum (C. parvum) is a single-cell protozoan that may cause severe self-limited diarrhea in immunocompetent individuals.

Cryptosporidium parvum develops its complete life cycle in the human intestines (also it can be found in animal intestines).

This species (Cryptosporidium parvum) is one of the six (6) known species of Cryptosporidium.

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After CO2 is produced by tissues, in what form is most of that carbon transported to the lungs for removal from the body

Answers

as dissolved HCO3 :)

Explain the relationship between the food we eat and the energy we have. What other reasons do we need to consume food?

Answers

The food we eat converts into energy in our body so we can operate.

Food is important because no food for a certain amount of time can cause health problems to death. This is the same for water.

What is the term that describes the loud, high-pitched sound made with each inhalation that occurs when there is respiratory obstruction in the larynx or trachea

Answers

Stridor, its as described in the definition above, a high pitched wheezing sound caused from a blockage

Give an example of display behavior exhibited by a territorial animal.

Answers

Answer:

Agonistic (aggressive) displays usually occur near the borders of a territory. When a strange howler monkey approaches the territory of others, resident males set up a tremendous din, warning the intruder off. Many songbirds sit on highly visible perches while singing, providing both auditory and visual displays.

If you see a bird flying toward you this information is most likely processed in the: a. avian lobe b. temporal lobe c. occipital lobe d. limbic system

Answers

Occipital lobe processes visuals so, C.

If you see a bird flying toward you this information is most likely processed in the occipital lobe.

What is occipital lobe?

Occipital lobe lies at the back of the brain and is responsible for the vision, colour and motion of an object. It also helps in memorizing the shape, structure or face of an object.

The occipital lobe is situated in the cerebrum part of the brain between the parietal and temporal bone.

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ILL GIVE U BRAINLIEST IF YOU DO THIS
Discussion 4.3: Preventing Heart Disease
Heart disease is generally caused by a mix of genetics and poor lifestyle factors such as high stress, poor diet, and lack of exercise. What can you do to prevent heart attacks, high blood pressure, and high cholesterol?

Answers

Answer:

Live a healthy lifestyle and avoid anything that may trigger such Diseases.

What's the only kind of parrot that can't fly?

Answers

the “Kakapo” the worlds only flightless parrot! happy to help!

why is it necessary to have 6co2 entering the chloroplast

Answers

the photosynthesis reaction must be balanced. six carbons are needed to make glucose, so six CO molecules are needed.

Explain why diseases result in symtoms

Answers

Infection happens when germs enter body leading to damaged cells

4. How are histones related to
nucleosomes?

Answers

Answer:

Nucleosomes are made up of DNA that's wound around histones

Explanation:

Hope this helps.

Answer:

The nucleosome is the fundamental subunit of chromatin. Each nucleosome is composed of a little less than two turns of DNA wrapped around a set of eight proteins called histones, which are known as a histone octamer. Each histone octamer is composed of two copies each of the histone proteins H2A, H2B, H3, and H4.

describe the function of the denticulate ligaments

Answers

Answer:

The function of the denticulate ligament is the stabilize the spinal cord in the vertebral canal.

1- List the 3 functions of the Digestive System

2- list the 2 function of the exretory system

3- describe the path of food,beginning in the mouth

4- describe the path of urine formation begginning in the kidneys

5- how does the urinary system maintain homeostasis

Answers

Answer:

1. transportation, digestion, and absorption of food. 

2. Remove and concentrate waste products from body fluids and return other substances to body fluids

3. Food starts to move through your GI tract when you eat. When you swallow, your tongue pushes the food into your throat.

4. Urine then flows through the nephrons, through a system of converging tubules called collecting ducts.

5. filtering out excess fluid and other substances from the bloodstream and secreting waste.

the vestibular system relies on hair cells that are similar in structure and function to those found in the auditory system.

Answers

Answer:

There are five vestibular receptor organs in the inner ear: the utricle, the saccule, and three semicircular canals.

Explanation:

what molecule that is created during photosynthesis is stored by the plant as energy for later use?

Answers

Glucose.

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

Genetic variation is needed for the long-term survival of a species.

True
False

Answers

True without genetic variation a single disease could dramatically reduce a species if they are susceptible to that disease. Genetic variations allows for a diverse gene pool that leads to long term survival for a species

What are the two ways that harmful algal blooms can negatively impact an ecosystem? (Site 1).

Answers

Answer:

SEE EXPLANATION FOR ANSWER

Explanation:

Eutrophication: An abundance of cyanobacteria (an algal bloom) is caused by an excess amount of nutrients in the water (phosphorus and/or nitrogen) which depletes the water of oxygen which is vital for plant an animal life. Oxygen is crucial for the survival of an organism, so when there is a lack of oxygen, the results can be fatal. That is why when there are reports of algal blooms, there are almost always mentions of an abundance of dead fish, birds, and other water dwelling organisms (these organisms live in the water, drink from it or use it as breeding grounds etc,) Not only that, but algal blooms produce toxins that can make animals and humans fall ill.

Dead zones: As stated previously, harmful algal blooms deprive the water of oxygen.This can lead to the extreme and create dead zones. Dead zones are zones in an aquatic body where the oxygen levels are not sufficient enough to support aquatic life. Hence why there is no life in dead zones because all of the fish either die, or leave.

Both affect the population of native species and the overall wellbeing of the bodies of water.

Answer:

Eutrophication: An abundance of cyanobacteria (an algal bloom) is caused by an excess amount of nutrients in the water (phosphorus and/or nitrogen) which depletes the water of oxygen which is vital for plant an animal life. Oxygen is crucial for the survival of an organism, so when there is a lack of oxygen, the results can be fatal. That is why when there are reports of algal blooms, there are almost always mentions of an abundance of dead fish, birds, and other water dwelling organisms (these organisms live in the water, drink from it or use it as breeding grounds etc,) Not only that, but algal blooms produce toxins that can make animals and humans fall ill.

Dead zones: As stated previously, harmful algal blooms deprive the water of oxygen.This can lead to the extreme and create dead zones. Dead zones are zones in an aquatic body where the oxygen levels are not sufficient enough to support aquatic life. Hence why there is no life in dead zones because all of the fish either die, or leave.

Both affect the population of native species and the overall wellbeing of the bodies of water.

Explanation:

put above answer line for anyone who can only see preview :)

Determine which of the following steps cannot occur in the rock cycle.


magma → sedimentary rock

sedimentary rock → metamorphic rock

metamorphic rock → magma

igneous rock → sediment

thanks :)

Answers

Answer:

magma > sedimentary rock

Explanation:

magma can only be cooled into an igneous rock but cannot directly be formed into a sedimentary rock.

Do all cells (brain cells, skin cells, liver cells, etc) express the genes or make the same proteins

Answers

Answer:

yes

Explanation:

have a good day or night

Describe the following features of processes evaluation leaching zone of accumulation and hardpan. PLEASE HELP ME ITS DUE IN 10 MINS. NO LINKS!!!

Answers

Explanation:

As soils mature, they develop soil horizons as organic matter accumulates and mineral weathering and leaching take place.

how environmental factors can affect genetics

Answers

Answer:

Situational Genetics

Explanation:

The envirnment can control and manipulate species' genes through adaptation. An example of this is horse's teeth building resielnce to grind grass. In order to eat comfortably, horse prefer smushing their food. Over time, they have adapted to the environment by strengthening their teeth.

what does it mean when we say a gene is turned off?

Answers

When a gene is turned off, It no longer provides the directions for making proteins. this means that the proteins needed to fulfill a particular job ( let’s say, tolerate lactose ) aren’t produced.

what is the difference between biology and technology​

Answers

Answer:

Biology as a subject studies living beings whereas biotechnology is a related branch of biology which deals with the living organisms to develop various products for human beings. To put it in simpler words, biology focuses on the life forms and life processes within the living organisms.

When the concentration of ________ in tissue fluid is too high, intracellular water moves into the extracellular fluid compartment.

Answers

When the concentration of electrolytes in tissue fluid is too high, intracellular water moves into the extracellular fluid compartment.

OSMOSIS:

Osmosis is the movement of water molecules from a region of higher concentration to a region of lower concentration through a semipermeable membrane.

Osmotic principle is based on concentration gradient i.e. difference in concentration across a membrane.

Electrolytes represent solute such as salts, ions, sugar etc. Therefore, when the concentration of electrolytes in tissue fluid is too high, intracellular water moves into the extracellular fluid compartment.

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The Chemical composition of the cell membrane

Answers

Answer:

cell membrane

Explanation:

Cell membranes are composed primarily of fatty-acid-based lipids and proteins. Membrane lipids are principally of two types, phospholipids and sterols (generally cholesterol).

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