Objects are brought into focus on the retina by changes in the curvature and thickness of the lens.
What is eye lens?The lens basically directs light rays onto the retina. The lens is clear and replaceable if necessary. As we age, our lenses deteriorate, necessitating the use of reading glasses.
The lens is normally clear and is located behind the iris. The pupil directs light to the lens.
Small muscles attached to the lens can cause the lens to change shape, allowing the eyes to focus on objects that are close or far away.
Light bends (refracts) and focuses on the retina at the back of the eye as it passes through the lens.
The lens's thickness and curvature can be adjusted to focus on objects at various distances and ensure that the image is as clear as possible (this process is known as accommodation).
Thus, eye lens helps to focus the object.
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If a person exerts 150 N of force to move 10 meters, then how much
work did they do?
Mr. Carter draws a box with a particle diagram of a liquid on the whiteboard. Next, he draws another box with a particle diagram of a solid, but he leaves this box blank for one of his students to fill in.
What should Mr. Carter's student draw in the blank box?
Mr. Carter's student must draw particles very close together.
We can arrive at this answer as follows:
Mr. Carter is showing how the particles fit into a solid substance and a liquid substance.In a liquid substance, the particles are separated from each other, which allows the characteristic fluidity of liquids.In a solid substance, the particles are very close to each other, not allowing space between them.In this case, we can say that Mr. Carter's student, when drawing the particles of solid substance, must draw them very close to each other, not allowing any space between them, preventing them from moving.
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how does deforestation affect the rainfall pattern of an area?
Answer:
deforestation can significantly reduce tropical rainfall far from the area where trees have been cut down.
Explanation:
That's the conclusion of new research that shows deforestation can significantly reduce tropical rainfall far from the area where trees have been cut down.That's because air passing over forests picks up moisture given off by trees and plants, fueling rains. When those trees disappear, so does some of that rain.
What does a plant need to create a glucose molecule in photosynthesis?
Choose all correct answers.
carbon dioxide
sunlight
water
oxygen
multiple choice
Carbon dioxide and oxygen.
Answer:
sunlight
water
oxygen
Explanation:
Which of the following molecules do NOT break down Proteins?
A. Pepsin
B. Protease
C. Protein kinase
D. Trypsin
Answer:A pepsin
Explanation:
Answer: Protein kinase is your anwser please mark brainliest thank yoou
Explanation:
what is gene expression
Answer:
Gene expression is the process the cell uses to produce the molecule it needs by reading the genetic code written in the DNA.
Explanation:
To do this, the cell interprets the genetic code, and for each group of three letters it adds one of the 20 different amino acids that are the basic units needed to build proteins.
3) When two atoms bond chemically it is because of the interaction between
A) the nuclei of each atom.
B) the protons in each atoms.
C) all electrons in the atoms.
D) the valence electrons in each atom
Answer:
C - All electrons in the atoms
Explanation:
It depends on the bonding for an explanation.
If one atom is a metal and one is a non metal it will be ionic. This is because one atom transfers its electron to the other atom giving them both a charge. They will then be bonded due to opposite forces of attraction.
If both atoms are non metals it will be covalent. Electrons pair together in the center of two atoms that have merged together and they share their electrons.
(Makes more sense with diagrams)
Hope this helps you!
In regular alcohol consumers, lipids get accumulated in the liver and are stored as small droplets in liver cells and this condition is known as ________.
Answer:
Fatty Liver
Explanation:
cual es el sentido de la vida xd
Answer:
Explanation:
what
Which of the following are elements? (Select all that apply.)
Na
H2O
C
KCl
Grade -5-
Answer:
Na & C
Explanation:
Which of the following characteristics least relates to eukaryotic cells?
cells that do not have a nucleus or membrane bound organelles.
cells that have a nucleus and membrane bound organelles.
Fungi
Protists
which farm animal has the largest eyes of any land mammal?
Answer:
The horse
Explanation:
The horse, being a farm animal, has the largest eyes of any land animal; the eyes of a horse are about 1.34 inches diameter wise.
I hope this helped!! ^v^
Two investors are each issued one bond with the same face value, maturity date, and yield. After both bonds have reached
maturity, it is discovered that one of the bondholders received a greater total return on her investment. If all expected payments
were received, which of the following could explain the difference in return? (1 point)
Answer: One of the bonds was sold at face value while another was sold below face value.
Explanation: I took the quick check
A bond was sold at its face value, while another was sold for less.
What is the investment?An investment is a purchase undertaken with the hope of earning money or increasing capital. Appreciation is the term for an asset's value rising over time. When someone invests in a product, they do not aim to use it for immediate consumption but rather as a means of generating money in the future.
An investment always entails the use of some resource today, such as time, money, effort, or an item, with the hope of receiving a return that is higher than the initial investment. An investor might, for instance, purchase a financial asset right away in anticipation that it would generate income over the road or be able to be sold for a profit at a higher price.
Therefore, A bond was sold at its face value, while another was sold for less.
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whats the difference between saturated and unsaturated fat
Answer:
The number of double bonds in the fatty acid chain
The type of fossil fuel made from the remains of ancient plants that lived millions of years ago is A. peat B. coal C. oil D. natural gas E. synfuel
Answer is B coal
Explanation:
thank you
Oxygen is consumed in the mitochondria during oxidative phosphorylation. What is the fate if this oxygen
Oxygen is consumed in the mitochondria during oxidative phosphorylation. What is the fate of this oxygen? Oxygen can be reduced to water by electron respiratory chain. You just studied 8 terms!
Potato Osmosis Lab
Perform the calculations for the following on a separate sheet of paper:
-300 mL of 0.0 M sucrose solution
-300 mL of 0.2 M sucrose solution
-300 mL of 0.4 M sucrose solution
-300 mL of 0.6 M sucrose solution
-300 mL of 0.8 M sucrose solution
Answer:
- 102.6 g
-205.2 g
- 41.04 g
- 61.56 g
- 82.08 g
Explanation:
Hello there?I have attached the calculations for the above answers in the images above.I hope it helps you out to understand better.
4. Two objects were lifted by a machine. One object had a mass of 2 kilograms, and was lifted a t a speed of 2 m/sec. The other had a mass of 4 kilograms and was lifted at a rate of 3 m/sec.
Question a. Which object had more kinetic energy while it was being lifted?
Question b. Which object had more potential energy when it was lifted to a distance of 10 meters? Show your calculation.
Explanation:
a) Case1, by the formula, ke=½mv².
m=2kg, v=2m/s
ke = ½×2×2² = 4J
Case2, by the formula, ke=½mv².
m=4kg, v=3m/s
ke = ½×4×3² = 18J
therefore, the second object has more kinetic energy.
b) Case1, by the formula, pe = mgh
m=2kg, g=9.8m/s²(not given)(can consider 10m/s² when given), h= 10m
Pe1(write 1 in subscript) = 2×9.8×10= 196J.
Case2, by the formula, pe = mgh
m=4kg, g=9.8m/s²(not given)(can consider 10m/s² when given), h= 10m
Pe2(write 2 in subscript) = 4×9.8×10= 392J.
so, the object 2 has more potential energy.
hope this helps you.
____________ diffuses out of the alveoli and into the pulmonary capillaries, while _______ diffuses out of the pulmonary capillaries and into the alveolar sacs.
Answer: Oxygen; Carbon Dioxide
Explanation:
Oxygen diffuses out of the alveoli and into the pulmonary capillaries, while carbon-dioxide diffuses out of the pulmonary capillaries and into the alveolar sacs.
What are pulmonary capillaries?PULMONARY CAPILLARIES: Deoxygenated blood enters into the pulmonary arteries from the right side of the heart and is delivered to the pulmonary capillaries, the smallest blood vessels inside of the lungs, attached to the walls of the alveoli.
Moreover, oxygenated blood then passes from the capillary beds through venules into the pulmonary veins. The pulmonary veins transport it to the left atrium of the heart.
Therefore, the pulmonary arteries are the only arteries that carry deoxygenated blood, and the pulmonary veins are the only veins that carry oxygenated blood.
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Which of the following choices best describes ‘ovulation?
A. An egg is released from the ovary.
B. An embryo sinks into the uterus lining.
C. The sperm and egg nuclei fuse.
D. The ejection of sperm through the penis.
Although the human colon may be one of the most diverse microbial communities on Earth, the majority of the bacteria are classified as __________.
Answer:
prokaryotic bacteria/cells are found to be the most common type of single organisms.
Although the human colon may be one of the most diverse microbial communities on Earth, the majority of the bacteria are classified as anaerobes.
What are anaerobic organisms?Anaerobic organisms are life forms that generate ATP in hypoxia conditions (absence of oxygen).
ATP is the energy con of the cell to carry out different cellular metabolic functions.Anaerobic bacteria form part of the intestinal microflora in humans.In conclusion, although the human colon may be one of the most diverse microbial communities on Earth, the majority of the bacteria are classified as anaerobes.
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how can you relate the heat and phase changes into a real-life situation?
Putting a liquid in a freezer will turn it into a solid/ice. Boiling water will turn the water into gas. Melting an ice cube will turn into liquid because of the heat.
How many minutes are there in a 40-hour week?
A:2,000
B:2,400
C:1,400
D:1,200
There will be 2,400 minutes in a week of 40 hours. This can be calculated by the help of unit conversion of time. Thus, the correct option is B.
What is Unit conversion?
Unit conversion is the change of one form of unit to another form of unit of different system such as conversion of units of measurement of weight from gram to kilogram or milligram.
Unit conversion of one unit to another unit is used in order to have accuracy and avoiding the confusion in measurements. For example, the length of pencil is not measured in kilometers rather it is measured in centimeters or inches, which are comparatively smaller than kilometers. In such a case, one has to convert the unit of length from kilometer (km) to centimeter (cm).
The week of 40 hours can be converted into minutes by:
Number of minutes in 1 hour = 60
Therefore, the number of minutes in 40 hours = 60 × 40 = 2,400 minutes
Therefore, the correct option is B.
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PLEASE HELP ASAPPP!!
1. List three examples of predator-prey relationships you have observed locally:
(a)
(b)
(c)
Answer:
(a) frogs-flies
(b) birds-earthworms
(c) snakes-mouses
Answer: Lion-Zebra, Bear-Salmon And Fox- Rabbit
Meaning: Lion eats zebra bears eats salmon and fox eats rabbits
Explanation: There are literally hundreds of examples of predator-prey relations. A few of them are the lion-zebra, bear-salmon, and fox-rabbit. A plant can also be prey. Bears, for example, feed on berries, a rabbit feeds on lettuce, and a grasshopper feeds on leaves.
Characteristics of deciduous forests include which of the following? O Mild temperatures, regular precipitation O High temperatures and precipitation Freeze temperatures, dry seasons O Cold winters, minimal rainfall
Answer:
Mild temperatures
Explanation: The temperatures are usually around 86(degrees Fahrenheit) in the summer and 50(degrees Fahrenheit) in the winter
a population distribution pattern that can indicate predation is
Answer:
clump
Explanation:
A population. This type of pattern. This type all better is seen in and seen in species. To prevent a species two prevent radiation radiation. They remain in groups. They remain in groups to remain safe to remain safe from predation from regulation. So climb to distribution. So Klump distribution. This tribute to shin indicates indicates relation random distribution distribution is seen when is seen. Yeah, this does not indicate tradition. This does not indicate relation uniform distribution, uniform distribution is seen more in plants and seen loan in Lawrence rather than animals rather then animals. Again, this does not indicate traditions. This does not indicates tradition. Basin distribution is not relevant, not relevant according to according the ocean given ocean. So that's why this option is incorrect. So all options are incorrect except a option that is Klump and a option is got it. That is clumps.
which statement correctly distinguishes DNA and RNA?
Which structure aids in balancing the amount of water inside and outside of both plant and animal cells?
Answer:
vacuole
Explanation:
explain how the skin on the human body functions similarly to the cell membrane of a cell.
Answer:
The skin surrounds the entire body just as the cell membrane surrounds the entire cell. Both the skin and the cell membrane are semi-permeable, meaning that they only allow specific substances to enter or exit the body.
Which of the following is an advantage of sexual reproduction?
A. Produce identical copies of an organism.
B. Produce natural variation to adapt to environmental change.
C. Quickly populate a new habitat.
D. Reproduce very quickly.
Answer:
B
Explanation:
Produce natural variation to adapt to environmental change is an advantage of sexual reproduction. Correct Option is 2.
The advantage of sexual reproduction is that it produces genetic variation within a population. During sexual reproduction, offspring inherit a combination of genes from both parents, leading to unique genetic combinations. This genetic diversity results in natural variation among individuals within a population.
This variation is advantageous because it allows a population to better adapt to changing environmental conditions. In a changing environment, some individuals may possess traits that are better suited to the new conditions, making them more likely to survive and reproduce. Through natural selection, these advantageous traits can become more prevalent in the population over time, enhancing the population's overall ability to adapt and thrive.
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