Sound, waves are all propagation of energy. Transport of this energy require a physical medium. Thus option D is correct.
What is mechanical waves?Mechanical waves are a form of energy transfer by oscillation of matter and they require a medium to propagate. Sound wave is a longitudinal wave which is only passing through a medium of air. Air disturbance causes these sound waves.
Longitudinal waves are those where the direction of oscillation of matter is along the direction of propagation. Electromagnetic waves does not require a medium to travel.
Waves in water originates from the pressure difference in water earthquakes is caused by seismic waves which are transverse waves, where the oscillation of matter is perpendicular to the direction of propagation.
Hence, sound, earthquakes, and waves in water are mechanical waves because they require a physical medium.
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El Nino affects the people of South America by...
]
A
causing long periods of drought and famine.
B
causing tornado and tsunamis.
C
causing heavy rainfall and flooding.
D
causing wild fires to burn out of control.
Answer: C.
Explanation: El Niño cause a rise in the sea surface temperature along with strong winds, this can cause flooding.
Which is one way that minerals crystallize from materials dissolved in water?
from the air
from solutions that evaporate
from hot water solutions when water boils
from the soil
Answer:
B. from solutions that evaporate
Explanation:
I took the test
The minerals crystallize from materials dissolved in water from solutions that evaporate. Therefore, option B is correct.
What is mineral ?A mineral or mineral species is, generally speaking, a solid chemical compound that naturally occurs in pure form and has a very well-defined chemical composition as well as a particular crystal structure.
Each crystal structure that makes up a chemical compound that exists naturally as a separate mineral species. As an illustration, silicon dioxide is a component of the same mineral species as quartz and stishovite.
They can be mined and have the potential to be exploited as a source of metal. Manganese, iron ore, and bauxite are examples of metallic minerals, which can be either ferrous or non-ferrous. While ferrous minerals do contain iron, non-ferrous minerals do not.
Thus, option B is correct.
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Please help only if you know, it is not the first answer choice! Thank you! Correct= Brainliest
Answer:
c
Explanation:
the wires are made of too many conductors
Which type of rock is most likely to form because of high heat and pressure?
igneous
magma
sediment
metamorphic
Answer:
Metamorphic Rock
Explanation:
Metamorphic rocks are formed because of high heat and pressure . Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock
Answer:
answer is metamorphic.......
help with science----?????///
1. What are the different ways tectonic plates move in relation to each other?
2. What landforms could be the result of converging plates? name a location where this occurs.
3. What landforms could be the result of diverging plates? Name a location where this occurs.
4. What major event could occur as the result of transforming plates? Name a location where this can occur.
5. if crust is constantly created at divergent boundaries, why isn't Earth getting larger?
Answer + Explanation:
1. The different ways tectonic plates move in relation to each other are:
convergent (where plates move into one another)
divergent (where plates move apart)
transform (where plates move sideways in relation to each other)
2. Convergent plate boundaries can result in:
earthquakes, volcanoes, and the formation of mountains.
The Himalaya Mountains are the result of convergent plate boundaries.
3. Landforms that are a result of divergent boundaries are rift valleys and mid-oceanic ridges.
Locations where this occurs are: Mid-Atlantic Ridge, Red Sea Rift, Baikal Rift Zone
, East African Rift, East Pacific Rise, Gakkel Ridge, Galapagos Rise, and Explorer Ridge.
4. Transforming plate boundaries results in shallow earthquakes, large lateral displacement of rock, and a broad zone of crustal deformation.
A location where this occurs is: San Andreas Fault in western California
sorry that's all I can help you with today :/ if I have more time I'll answer the other questions!! If I helped you please don't forget to mark me brainliest!!
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Two dogs are pulling a disk, but the disk is not moving. The disk does not move because the forces are (select one: unbalanced, balanced, in motion, at rest.)
Answer:
unbalanced
Explanation:
because two dogs are pulling it so it's not going to be in place?
NEED ANSWER ASAP
How much energy is passed from organism to organism as it moves through an ecosystem (food chain)?
a
10%
b
50%
c
30%
d
100%
5. Select the best answer.
A type of matter with unique properties that is made of two or more atoms is called a(n)
particle
molecule
force
element
Which situation is an example of heat transfer by radiation?
Answer:
This type of transfer takes place in a forced-air furnace and in weather systems, for example. Heat transfer by radiation occurs when microwaves, infrared radiation, visible light, or another form of electromagnetic radiation is emitted or absorbed. An obvious example is the warming of the Earth by the Sun.
Answer:
the heat from the hotter to the colder region. Some common examples of Radiation are Ultraviolet light from the sun, heat from a stove burner, visible light from a candle, x-rays from an x-ray machine. All life on Earth depends on the transfer of energy from the Sun, and this energy is transferred to the Earth over empty space.
During the time period than an El Nino is occurring, there is a buildup of cold water of the west coast of South America there is a buildup of warm water off the coast of South America the trade winds get stronger and cause a cooling of the surface water of the ocean Antarctica will have a dramatic increase in its temperature
Answer: there is a buildup of cold water of the west coast of South America.
Explanation:
Help!!!
This is the last stage and I don't want to screw this up! :(
Which is NOT a reason why organisms communicate with one another?
a
To find a mate
b
For protection
c
To find housing
d
To acquire food
Answer:
C. to find housing.
Explanation:
i hope this helps :)
what are 3 properties of soil?
PLS HELP I WILL MARK BRAINLYEST BUT PLS JUST HELP MEEEEEEEEEEEEEE
Microwaves have a higher _____________ than radio waves. Different ______________ of microwaves provide different information to scientists. Most microwaves are used in ___________________________.
Answer:
Radio waves are electromagnetic waves within the frequencies 30KHz - 300GHz, and include microwaves. Microwaves are at the higher frequency end of the radio wave band and low frequency radio waves are at the lower frequency end.
Explanation:
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Answer:
hi kirishima it is me 0412919
Explanation:
i will give u brainly :D
identify two chemicals added to treated wastewater to kill germs and disinfect
Answer:
chlorine, fluorine nd sodium hydroxide
What role do guanacos play in the Andes Mountains ecosystem? (Select all that apply.)
omnivore
secondary consumer
browser
grazer
Answer:
Browsers and grazers
Explanation:
Guanacos are browsers and grazers who have developed the ability to eat a wide variety of grasses and other plants. They also have adapted to a wide range of temperature and weather conditions.
Browser and grazer
EcosystemAn ecosystem is made up of all the species that interact with each other as well as the physical environment in which they live. Nutrient cycles and energy flows bind these biotic and abiotic components together.The Andes play an important role in national economies, accounting for a considerable portion of the region's GDP and providing huge agricultural areas, mineral resources, and water for agriculture, hydroelectricity, and residential use, as well as some of South America's largest business centers.Guanacos play a role of Browser and grazer in the Andes Mountains ecosystemFor more information:
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Which type of Symbiotic Relationship is being described?
A human gets biten by a mosquito. The mosquito gets blood to drink, and the human gets an itchy bite.
a
Mutualism
b
Commensalism
c
Parasitism
Answer:
C. Parasitism
Explanation:
Mutualism means both organisms benefit. An example of this is a bee and flower.
Commensalism means one organism benefits and the other is unaffected. An example of this is a whale and barnacles.
Parasitism means one organism benefits, and the other is harmed. An example of this other than mosquito and human is a dog and fleas.
Hope this helps!!
Which type of Symbiotic Relationship is described below?
When two organisms interact with one another and one is benefited, and one isn't benefited or harmed.
a
Mutualism
b
Commensalism
c
Parasitism
The general formula for
reactant + reactant - product
---->
A. Decomposition Reaction
B. Synthesis Reaction
NEED HELP ASAP! BRAINLIEST!!!
Describe three patterns, or trends, that exist between elements on the periodic table.
Please help with this
Type, Fossil Fuels, green house gasses
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Which of the following is NOT a characteristic of all living things?
a. lifespan
b. locomotion
c. production of wastes
d. energy requirement
Answer:
I think your answer would be b. locomotion
Explanation:
hope this helps and srry if wrong
Which best defines an invasive species?
a
A species that burrows underground.
b
A species that moves from ecosystem to ecosystem.
c
A species that lives with another species.
d
A species that is not natural to an ecosystem.
Answer:
D
A species that is not natural to an ecosystem.
Explanation:
Please help me I will give you the brain thing and extra points.
image below
Answer:
b
Explanation:
What things should be done before demolition begins to keep workers, other people, and other properties safe if a building fell down?
Answer:
Occupational Safety and Health
Explanation:
For example there should be quick exits in an emergency which includes occupational safety. Plus, there should be medical supplies which explains the need of safety
1. Select the best answer.
This type of heat transfer happens because of the uneven heating of liquids and gases.
convection
radiation
conduction
Answer:
I'm assuming it's convection.
Explanation:
When heat is transferred to liquids and gases, they carry that heat energy with them, further spreading it.
Answer:
I'm not 100% sure but I think it's Convection I'm not sure but I know Convection is heat flux through liquids and gases.
Explanation:
I'm sorry if it's wrong I tried
Which best describes a magnetic field?
a push or pull in the region around a magnet.
either end of a magnet
a switch that controls a magnet
any materials that is attracted to a magnet
Answer:
I think its 3
Explanation:
give me brainly please
Answer:
a push or pull in the region around a magnet .
SCIENCE!!!! PLEASE HELP!!! 20 POINTS
Answer:
As the Earth rotates, it also moves, or revolves, around the Sun. ... As the Earth orbits the Sun, the Moon orbits the Earth. The Moon's orbit lasts 27 1/2 days, but because the Earth keeps moving, it takes the Moon two extra days, 29 1/2, to come back to the same place in our sky.
Explanation:
Explain why you agree or disagree with this statement
''Friction is a way to create electricity because it creates charged particles. ''
You eat pizza for lunch. Which step in the digestion process causes a chemical change in the pizza?
Your teeth bite the pizza and take a small piece into your mouth.
Your stomach mixes acid and enzymes with the food to break down protein in the pizza.
Your esophagus is a tube that moves the food from your mouth into your stomach.
Your teeth grind the pizza to smash it.
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Your stomach mixes acid and enzymes with the food to break down protein in the pizza is a chemical change.
What is chemical change?Chemical change is a process in which changes in the composition of any molecules takes place so that as a result of which we get new product.
Bite a pizza and take a small piece into your mouth is a physical process.Moving of food by esophagus is also a physical process.But mixing of enzymes and acids with the food to break down protein in the pizza is a chemical change.Hence mixing of enzymes and acids is the chemical change.
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