Learning Task 7. Answer the questions briefly
Write True if the statement is correct and False if the statement is incorrect.
_1. Light can be reflected if it is directed towards a mirror.
_2. The speed of light remains the same even if it travels from one
material to another.
_3. Sound could be either soft or loud.
_4. The loudness of sound decreases as it moves nearer the
observer.
_5. Echo is the term used for the sound that is reflected back to its
source
Answer:
1. True.
2. True.
3. True.
4. False.
5. True.
Explanation:
Light wave can be defined as an electromagnetic wave that do not require a medium of propagation for it to travel through a vacuum of space where no particles exist.
Sound are mechanical waves that are highly dependent on matter for their propagation and transmission.
Sound travels faster through solids than it does through either liquids or gases.
1. True: Light can be reflected if it is directed towards a mirror. A mirror that is typically made of ordinary glass and has a flat reflecting surface.
Reflection can be defined as a phenomenon which typically involves a change in the direction of a ray of light or waves as it falls on a smooth surface.
Simply stated, reflection occurs when a ray of light or wavefronts bounces off a smooth surface such as a plane mirror.
2. True: The speed of light remains the same even if it travels from one material to another. The speed of light is 3 * 10⁸ meters per seconds and it's a constant regardless of medium of propagation.
3. True: Sound could be either soft or loud.
A soft sound typically has a low volume while a loud sound posseses a high volume. An example of a soft sound is the sound from a piano while an example of a loud sound is a train's horn.
4. False: The loudness of sound decreases as it moves nearer the observer.
The loudness of a sound is directly proportional to the square of the amplitude of the sound and as such the loudness of sound increases as it moves nearer the observer.
5. True: Echo is the term used for the sound that is reflected back to its source.
What are two types of attacks terrorists often use
The national medical insurance program known as Medicare
a. was declared unconstitutional by the Supreme Court.
b. was vetoed by President Johnson.
c. was one of Johnson's Great Society reforms.
d. had first been proposed by President Franklin Roosevelt in 1933.
Answer:
A
Explanation:
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How long has La Soufrière been active?
Answer:
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Explanation:
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In 2009 the minimum wage reached about an hour
Explain the roots of anti-semitism and Hitlers hatred of the Jews.
Please help! I've been trying for hours!
What is the relationship between how Jews were portrayed to the public and their persecution during the holocaust?
Answer:
Explanation:
58
Answer: I'm completely stumped on this one but based on my own research The Nazis frequently used propaganda to disguise their political aims and deceive the German and the public.
Explanation:
North Korea has a ______ economy. A. mixed B. market C. command D. traditional
Please select the best answer from the choices provided.
Answer:
a mixed
Explanation:
Based on the passage, why was Grant promoted to Commanding General of the United States Army?
A. because Lee had resigned from the Army, so the position was open
B. because Grant was brilliant, fearless, and successful in battle
C. because Grant had fought in the Mexican-American War
D. because Grant had attended West Point, the best military school in America.
Answer:Congress also wanted to reinstate the rank of lieutenant general, but only if Lincoln gave the rank to Grant. Lincoln preferred to promote then-Commanding General Henry Halleck to lead the Union Army, which had been plagued by a string of ineffective leaders and terrible losses in battle.
Explanation:
2. Thomas Alva Edison invented many things that improved daily life. He invented all of the
following , EXCEPT:
O storage batteries
O the Dictaphone
O the phonograph
O the hair dryer
Answer:
hair dryer
Explanation:
give me brainliest
What started to develop along the railroads out West?
A. indian reservations
B. gold mines
C. toll roads
D. towns and cities
2. To become a citizen of the United States, you must
A. be at least 21 years old.
B. pass an English and government test.
c. have lived in the United States for at least six months.
O D. file a request form in a federal court.
Mark for review (Will be highlighted on the review page)
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Answer:
Option B) and Option D.
Explanation:
Option B) Pass an English and government test.
Option D) File a request form in a federal court.
How did the Han dynasty impact the silk roads ?
Jenna is a young-adult voter who is not sure if she wants to vote in the upcoming presidential election. "Why should I bother to vote," she says, "if my individual vote will be lumped in with others for the five electoral votes my state will cast?" What type of voting system does Jenna’s state have in a presidential election?
cherry-picking
gerrymandering
winner-take-all
proportional
Answer:
winner-take-all
Explanation:
100 percent edge
Which of the following is NOT true?
a
In 1908, Austria annexed, or took over, Bosnia and Herzegovina.
b
Austria-Hungary, itself a mostly Slavic nation, supported Serbian nationalism.
c
Bulgaria, Greece, Montenegro, Romania, and Serbia had already succeeded in breaking away from their Turkish rulers, the Ottoman Empire.
d
Serbia had a large Slavic population and hoped to absorb all the Slavs on the Balkan Peninsula.
Answer: b. Austria-Hungary, itself a mostly Slavic nation, supported Serbian nationalism.
Explanation:
Austria-Hungary may have had a large Slavic population but were not Slavs themselves with the Austrians being German. Austria-Hungary hated Serbian nationalism and sought to curtail the independence of the Serbian nation.
It was this reason that led to Serbian nationalists killing Archduke Franz Ferdinand of the Austria-Hungary empire, a killing which led to the first conflict in the first World War and led to the start of the most brutal war the world had seen at the time.
True or False: The support for Hitler increased in the early 1930's because German people wanted a strong leader to end the countries economic concems
Answer:
24
Explanation:
straight up high kizzy
Answer:
False
Explanation:
because it happen on 1938
Agricultural Revolution
Answer:
The Agricultural Revolution was the unprecedented increase in agricultural production in Britain due to increases in labor and land productivity between the mid-17th and late 19th centuries.
Explanation:
The Agricultural Revolution brought about experimentation with new crops and new methods of crop rotation. These new farming techniques gave soil time to replenish nutrients leading to stronger crops and better agricultural output. Advancements in irrigation and drainage further increased productivity.
The agricultural revolution had a variety of consequences for humans. It has been linked to everything from societal inequality—a result of humans' increased dependence on the land and fears of scarcity—to a decline in nutrition and a rise in infectious diseases contracted from domesticated animals.
What is the aim of the Socratic method?
O A. acting according to one's ideals
OB. advising the simple people
O c. teaching by question and answer
O D. criticizing politics and society
PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE HELP AND EXPLAIN!!!!! NO LINKS! PLEASE GIVE A EXPLANATION!!!! THANK YOU! PLEASE EXPLAIN NO LINKS!!! THANK YOU!!!!! WILL MARK BRAINLIEST!!!
Today the United States sees the world as a global community. Countries such as Japan, Egypt, Argentina, and many European countries that have not always seen eye to eye with the U.S. now cooperate fully with this world super power. Explain why they do so.
(MC)What comparison describes the difference between the founding principles of the Black Panther Party and the National Urban League?
Answer:
The answer is Community self-defense v. Economic self-reliance.
Explanation:
True or False Misdemeanor- the serious type of crime.
True
False
Answer:
True
Explanation:
In the mid-late 1800s in the United States, tensions grew regarding several issues,
primarily slavery. What occurred due to these tensions?
Which was not one of the major cause of he Cold War?
Answer:
Soviets constructed the Berlin Wall
Explanation:
Answer:
Explanation:
The correct answer is “Soviets constructed the Berlin Wall” since the Berlin Wall was not constructed as a cause of the Cold War
g question
In Mein Kampf, Hitler laid out his ideas about lebensraum, which emphasizes the right of
superior nations to
Select one:
O a.rule other nations.
O b. expand their boundaries.
O c. lead the way for others.
O d. dictate trade agreements.
estion 3
t yet
Answer:
Explanation:
It has the effect of expanding a nation's boundaries. There is an underlining implication that the very survival of a nation depends on being able to expand. Further, the expansion is needed to make the nation better -- at least economically.
cuantos años duro la construccion de la muralla china y para que se relizo
Answer:
¿Cuánto tiempo llevó la construcción de la Muralla China? Para la ingeniería actual resultaría difícil emprender un proyecto de construcción que abarque hasta 22.000 kilómetros de largo. Aparte de ser un proyecto que requeriría de innumerable cantidad de recursos, sería también necesario un trayecto de tiempo bastante amplio.
Explanation:
Answer:
Explanation:
En total, la Gran Muralla China tardó más de 2.000 años en construirse, entre el 770 a. C. y el 1633 d. C.
La Gran Muralla China es una serie de fortificaciones que se construyeron a lo largo de las históricas fronteras del norte de los antiguos estados chinos y la China imperial como protección contra varios grupos nómadas de la estepa euroasiática. Se construyeron varios muros desde el siglo VII a. C., con tramos selectivos que luego unió Qin Shi Huang, el primer emperador de China. Queda poco del muro de Qin. Más tarde, muchas dinastías sucesivas han construido y mantenido múltiples tramos de bord
Why was the Constitutional Convention necessary?
A. The citizens wanted a new constitution to be written.
B. Delegates met to sign a peace agreement with France and Spain.
C. The colonies needed to declare war on Great Britain.
D. The Articles of Confederation were not working,
the
Answer:
d.
Explanation:
How did the Cold War impact US politics, foreign policy, and the economy?
Answer:
The Cold War shaped American foreign policy and political ideology, impacted the domestic economy and the presidency, and affected the personal lives of Americans creating a climate of expected conformity and normalcy. ... The Cold War was to last almost to the fall of the Iron Curtain and the death of the Soviet Union.
yo hope i helped
Explanation:
kahulugan ng inobasyon?
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Which beliefs did the architecture of Walter Gropius reflect
Answer:
Among his most important ideas was his belief that all design whether of a chair, a building, or a city should be approached in essentially the same way, through a systematic study of the particular needs and problems involved, taking into account modern construction materials and techniques,
Answer:
Geometric shape should facilitate function.
Design should be streamlined.
Explanation:
I took the test