Among electromagnetic waves, UV rays are most dangerous because exposure to these radiation cause serious problems in living organism. Therefore, gamma rays is used carefully in medicine without damaging living tissue.
What is electromagnetic wave?Electromagnetic wave is a wave which contain two component one is electric component and other is magnetic component. The electric and magnetic component are perpendicular to each other. There are so many wave that comes under electromagnetic wave like infrared wave , radio wave.
There is a relation between energy of wave. frequency of wave, and wavelength of wave
Mathematically,
E=hc/λ
where,
E = energy of electromagnetic wave
h is planks constant having value 6.67×10⁻³⁴js
c is speed of light that is 3×10⁸m/s
λ is the wavelength of electromagnetic wave
There are many uses of electromagnetic radiations in medical field. Gamma rays are used to kill the dead cells from e.g. cancer but they don’t destroy the living cells as gamma is only a wave.
Therefore, gamma rays is used carefully in medicine without damaging living tissue.
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I need help, ACTUAL ANSWERS PLEASE
What are two results of the uneven heating of Earth's surface?
Why do scientists often use melting point and boiling point to identify substances?
Answer:
Melting or boiling point is another property that scientists can use to identify a substance. Melting point is the temperature at which a substance changes from solid → liquid. Boiling point is the temperature at which a substance changes from liquid → gas.
Explanation:
Which 2 characteristics do all magnets have? Check all that apply.
1. Attraction
2. Repulsion
3. Amplitude
4. Frequency
Answer:
The following statements that are correct are attraction and repulsion.
Explanation:
Magnets obtain a north pole and a south pole, and when two opposite poles meet, it causes an attraction in the magnets. When two of the same poles meet, the two repel.
In humans, tongue rolling is dominant over non-rolling. A man who can roll his tongue marries a woman who cannot. They have 8 children, of which 6 can roll their tongue. What is the genotype of these 6 children? Why?
Answer:
50% cant roll their tounge
Explanation:
The magnetic field of an object exerts a force on any magnetic object around it.
True or False
Answer: True
Explanation: this is true
What class of lever is shown below?
Question 3 options:
First Class Lever
Second Class Lever
Third Class Lever
Forth Class Lever
Which electromagnetic wave has a lowest frequency?
ultraviolet light
visible light
microwaves
x-rays
infrared light
Answer:
microwave
Explanation:
Microwaves as the lowest frequency in the list.
NEED ASAP
What is the affect of increasing the temperature of the water?
What happens when you add pollution to the water?
Can coral survive bleaching?
What is coral?
Answer:
Explanation:
Increasing temp in water makes it start to boil and evaporate into the atmosphere, in terms of climate change it makes it hard for many organisms to survive because they have to adapt quickly to the waters rapidly rising temperature. When you add pollution to water the water would become contaminated and not be able to support life or be fit for human consumption.
Coral cannot survive bleaching because it harms the coral to the point of its destruction.
Coral is an animal that can grow into big reefs that create large ecosystems for many organisms. They are in the ocean. The biggest coral reef is the great barrier reef in Australia.
Which two changes of state can occur when a substance gains thermal energy A sublimation b depositation c condensation and d vaporization
Answer:
b
Explanation:
Answer:
A and D
Explanation:
I got it on my test
Which gas is not a significant contributor to greenhouse gasses.?
A. Carbon Dioxide
B. Hydrogen
C. Methane
D. Nitrous oxide
Answer:
C. Methane.
Explanation:
Methane is a chemical that can kill you. A, B and D all won't kill you because that is a significant contributor to greenhouse gasses.
hope this helped.
NEED HELP ASAP!!!!!!!!! PLEASE ANSWER IN 10 minutes or under
What are the two possible benefits of the new plastic bag?
Answer:
The new bag helps food last longer. Less food is wasted, and more money is saved.
Explanation:
PLATO
The magnetic field of an object exerts a force on any magnetic object around it.
True
or
False
Name the following compounds:
a. NaBr
b. MgCl2
C. Lil
d. Cao
e. CuBr2
f. Feo
WHOEVER ANSWERS FIRST WILL BE BRAINLIEST AND WILL GET 5 STARS
Answer:
a. Sodium bromide
b. Magnesium chloride
c. lithium iodide
d. calcium oxide
e. copper bromide
f. iron oxide
I need help with this
Answer:
The mass and physical structure of the body has changed.
The amount of molecules has changed and formed a new substance.
Explanation:
Hope that I helped you!
pros and cons about making aluminum?
HELPPP PLEASEEEE
Pros: easy to make,Cheap, Flexible
Cons: Cheap and flimsy, easy to break
PLZZZZZ HELP MEEEEEEEE
Answer:
A negative and unchanged :)
Explanation:
What class of lever is shown below?
Question 4 options:
First Class Lever
Second Class Lever
Third Class Lever
Fourth Class Lever
4
I don't want to say anything else
need help ASAP
Write a sentence that begins an adjective phrase. Be sure to punctuate it properly!
Which is NOT needed to START a wildfire.
1. Wind
2. dry debris
3. oxygen
4. unattended campfire
I'm trying to see if I'm correct, I think it's Dry Debris.
Answer:
you are correct
Explanation:
Answer: no oxygen is the wright answer
Explanation:
Because it only helps to burn a fire it does not make fire
What is the best description of cirrus clouds?
Question 5 options:
High level (altitude) clouds that are white and wispy like horses tails.
Low level (altitude) clouds that are wispy and made of ice crystals.
Middle level (altitude) clouds that are thick and spread out like a blanket.
Middle level (altitude) clouds that are white and puffy with flat bottoms.
Answer:
i think that the best description of cirrus clouds is the the third option
Explanation:
i hope this helps you!
What source did you use the most in your research? What was the name of the source? Where did you find this source (book, newspaper, magazine, online)? How do you know that this source is trustworthy?
HELPPPPP PLEASEEEEE
Answer:
Can you show more information please?
Explanation:
The personal experiences, print media like books, pamphlet, journals, magazines, and newspapers, as well as electronic sources accessed via the Internet, can all be used as research resources.
What do you mean by research ?Research is a systematic inquiry process that includes data gathering, documentation of important information, analysis, and interpretation of that data and information in accordance with appropriate procedures established by particular academic and professional disciplines.
You can use databases and search engines like Scholar to look for academic sources online. They offer a variety of search options that might assist you in locating the most pertinent sources. Include the title or the author's name in your search if you're looking for a specific article or book.
The primary publication format for scholarly research is scholarly journals. Students can read the majority of intellectual articles online and through library databases.
Thus, These can also come from polls and interviews that you or another else conducts.
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3.How are climate and weather different?
4.How can you depict annual precipitation at a site location, like a local airport?
5. What is the transformation of water vapor to liquid water droplets in the air?
Climate is different from the weather. Climate is the long term weather condition and weather is short term atmospheric condition. The annual precipitation is report is depicted as graphical data. Transformation of water vapor to liquid droplets in air is called condensation.
What is climate?Climate in a region is the long term weather exists there and which will be characteristic for that region. Weather is forecasted for a day or a particular time, reporting the short term atmospheric condition. Climate of a locality depends on the landscape there, local winds etc.
The annual precipitation report determined by the summation of monthly precipitation data and which in turn obtained by the summation daily precipitation for each month and it is depicted graphically to analyse.
The transformation of water vapor to liquid droplets in the air is called condensation. The gaseous molecules of the water vapor condense together to form the liquid droplets.
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Explain The process of Photosynthesis according to the chemical formula: Identify: The reactants(input), the products(outputs), and the energy source. **(Hint: Carbon Dioxide + Water = Glucose + Water)
Answer: 6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
The equation for photosynthesis is 6CO2 + 6H2O → C6H12O6 + 6O2.
PLZ HELP ASAP
Pretend you are teaching a friend about the differences between plant and animals cells. Your friend isn’t even sure they know there is a difference between the types of cells.) Write a narrative of what you would say to your friend to explain how the plant and animal cells are different from each other and why these differences are important.
Answer:
plant cells and animal cell have similaritys but also haev diffrences.
Explanation:
one example of a diffrence bettwen them is that plants have a cell wall but a animal doesnt even tho they are both living organizoums
im giving brainliest
Answer:
a
Explanation:
just needed the points, sorry
Answer:
I'm confused what is this?
Explanation:
If a chromosome folds, how is transcription prevented?
Question 2 options:
The DNA region is easily accessible.
The DNA region is not easily accessible.
The RNA region is not easily accessible.
The RNA has already been made.
Answer:
The DNA region is not easily accesible.
Explanation:
For her farm, Susan is interested in increasing the number of chickens that lay the most eggs per week. Many of the chickens on her farm lay 6 eggs a week. A few female chickens (hens) lay as many as 8 eggs per week, while other female chickens only lay 4 eggs per week. Describe what Susan can do to increase the number of eggs produced on her farm.
Answer:
Susan should probably Quality Feed the chickens.
Explanation:
Quality Feed has a special formula that helps the hens have more. It also makes them big. You don't have to go crazy with some cutting-edge feed that's guaranteed to make your chickens produce eggs the size of a garden gnome
I'm not sure this is the answer that you want so I'm sorry if it isn't
Movement caused by warmer fluids rising and cooler fluids sinking is called ______________.
Answer:
I think it's Convection current.
Hope that helps. x
Answer: Convection is the process of warm fluids rising and cooler fluids sinking. Inside the Earth, convection is powered by heat mostly from the core. The slow circulation of rock in the mantle moves the tectonic plates at the surface.
Explanation: Can I have brainliest
In 3-5 sentences, explain the role of the digestive system in animals, as well as how the system works.
Answer:
Function. The primary functions of the GI tract include prehension of food and water; mastication, salivation, and swallowing of food; digestion of food and absorption of nutrients; maintenance of fluid and electrolyte balance; and evacuation of waste products
hope it helps
The process of digestion of food in animals or ruminants is known as ruminations. The process includes chewing of food, swallowing, digestion, absorption, and evacuation of food.
The role of the digestive system in animals?Ruminants are mammals that eat plants. They have 4 chambered stomachs that help digest food. the process of digestion is through the extract of nutrition from the food they consume.
The process includes prehension of food and water; mastication, salivation, and swallowing of food; digestion of food and absorption of nutrients; maintenance of fluid and electrolyte balance; and evacuation of waste products.
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