The Cambrian explosion occurred about million years ago. Express that time in scientific notation.

Answers

Answer 1

Answer:5.4*10^8years ago

Explanation: Cambrian explosion which is also referred to as CAMBRIAN RADIATION caused the divergence of majority of Metazoans( multicellular and Eukaryotic organisms with Mitochondria and differentiated cells,tissues and Organs,they evolved from Phylum protists over 700million years ago) It lasted for about thirteen to 25million years ago,this details were obtained from fossil records. This explosion took place about five hundred and fourth one(541) million years ago.


Related Questions

Which name for the period between World War II and the 1990s best
emphasizes U.S. foreign relations?

Answers

Answer:

Explanation:

In the years after World War II, the policy of keeping communism from spreading beyond the countries already under its influence. The policy applied to a world divided by the Cold War.

When it comes to periodization, which of the following events is the best
example of a turning point?

Answers

Answer:

The question is incomplete. Here are the options:

A. industrialization in the 19th century

B. the sinking of the USS Maine

C. Racial tensions after the Civil War

D. Post-World War ll population growth

The correct answer is B.

Explanation:

Turning points are of great significance in periodization as they depict the beginning and end of remarkable events in history. A classical example of a turning point is evident in the the American revolution and the conquer of Britain by America in the war of 1812, and the consequent signing of the Treaty of Ghent. Also, the conquer of Babylon by Medo Persia was a turning point in history. Again, the end of colonialism in Africa was a turning point in history. Another classical example of turning point in history is the action of James Meredith in 1962, that changed the story of the African American, and led to an end to segregation in America.

Which of the following broke away from Malaysia to become a sovereign city-state in SoutheastAsia in 1965?
A.Singapore
B.Hong Kong
C.Sarawak
D.Brunei

Answers

Answer:

A. Singapore

Explanation:

Singapore was separated from Malaysia on 9 August 1965 and became an independent country. It was a result of economics and political differences between the parties of Malaysia and Singapore, it led to communal tensions and racial riots in July and September 1964.

It was one of the fourteen states of Malaysia after the formation of Federation of Malaysia after getting freedom from Britain.

Due to various political  issues the Prime minister Tunku Abdul Rahman decided to expel Singapore from the federation. It was voted by parliament on 9 August 1965 , and Singapore got separated from Malaysia in 1965 .

1. What questions help you understand the
narrative of the media item - the message it is trying to give you? What do they tell you about the
media item?

Answers

We can understand this by understanding how media works into the narrative by reminding them of their real lives and actual experiences.

Why did the Dutch replace the Portuguese as the main European imperial power in Asia?

Answers

Answer:

They captured Malacca from the Portuguese and opened trade with China. They used military force and forged close ties with local rulers than the Portuguese had.

Explanation:

Some hostilities commenced in East and Southeast Asia in1511 between the foreign sea powers in when the Malacca was taken over by people from Portugal who controlled the access to the seas and trade in that area. Verenigde Oostindische Compagnie (VOC) a Dutch East India Company, devised means of destroying the Portuguese stronghold in that area.  

In 1605, VOC got permission from the queen in that area in order to launch an attack at the Santo Antonio. The Dutch built their company by the permission of the queen and seized the ship of the Portuguese because the relationship the Portuguese had with the Pattanni in Malacca has broken down.  

_ and _ organize a revolution against the year of Russia

Answers

Answer:

hi!

Explanation:

the peasants and working class.

The Russian Revolution took place in 1917 when the peasants and working class people of Russia revolted against the government of Tsar Nicholas II. They were led by Vladimir Lenin and a group of revolutionaries called the Bolsheviks. The new communist government created the country of the Soviet Union.

Answer:

The working class and the peasant

Explanation:

In World war 1, The Russian Revolution took place in 1917 when the peasants and working class people of Russia revolted against the government of Tsar Nicholas II. They were led by Vladimir Lenin and a group of revolutionaries called the Bolsheviks.

Thomas Jefferson is the one who wrote the draft of the Declaration of Independence.


True
False

Question 3 options:
True
False

Answers

Answer:

True.

Explanation:

Thomas Jefferson, a distinguished representative from Virginia (even a former governor), was charged by the Continental Congress to write the Declaration of Independence of 1976 together with John Adams and Benjamin Franklin. However, the draft is mainly Jefferson´s work. US independence was proclaimed on July 4, 1776.

Answer:

Explanation:

This is false ..George Mason wrote the first draft.I took the test and got it right

For the students who supported "student power" on college campuses in the 1960s, students having more influence in university decision-making would make American universities more

A. intellectual.
B. well-respected.
C. militant.
D. democratic.

Answers

The correct answer is letter D

Explanation: This movement had as a vision to want students to be part of the most important decisions of the college, which is understandable since students are a fundamental part of the college and have every right to be part of the decisions that makes the system more democratic.

complete each statement below by placing the proper word in the appropriate position to explain the scientific criteria for life

Answers

Answer:

The definition of life can be interpreted as meeting a set of criteria including: organization, cellular composition, metabolism, responsiveness, homeostasis, development, reproduction, and evolution.

All living things exhibit organization or complexity far greater than their inanimate surroundings-

The inability to maintain this characteristic of life leads to disease and death.

Made up of the simplest structures meeting the criteria of life,

Cellular composition is a requirement of all living things.

In order to carry out many of the other characteristics of life, organisms must exhibit:

Metabolism. This is the ability to bring in nutrients, produce energy, build necessary components, and eliminate waste products.

All living things must also be able to interact with their respective environments and are thus said to display responsiveness.

In interacting with their dynamically and radically changing environments, living things must be able to maintain a relative homeostasis, or set of stable internal conditions.

Characterized by both differentiation and growth, Development. It is the characteristic of life that explains increased size and functional complexity.

The ability to make additional copies of themselves describes the necessary life characteristic of

Reproduction.

Species of living organisms will all demonstrate evolution over time as a result of

Gene mutations and rate of success with the environment.

Final answer:

Scientific criteria for life in biology: movement, growth and development, reproduction, metabolism, homeostasis, response to stimuli, cellular structure.

Explanation:Scientific Criteria for Life

In biology, there are several key criteria that define what is considered to be living. These include:

Movement: Living organisms are capable of movement, whether it's locomotion or the movement of internal structures.Growth and Development: Living things grow and develop, increasing in size and complexity over time.Reproduction: Living organisms have the ability to reproduce, passing on their genetic information to offspring.Metabolism: Living organisms have metabolic processes, such as digestion and respiration, to obtain energy from their environment.Homeostasis: Living things maintain a stable internal environment, despite changes in their external environment.Response to Stimuli: Living organisms can respond to changes in their environment, such as moving away from a predator or responding to changes in temperature.Cellular Structure: Living things are composed of cells, which are the basic structural units of life.

These criteria help scientists distinguish between living and non-living things, allowing for a better understanding of the natural world.

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Racism was a particularly important incentive for poor white voters supportive of the Democratic ticket in the South because _________.

Answers

Keeping black people as an underclass in southern society was important to po’ whites

President Johnson's plan for Reconstruction was opposed in Congress by a group known as _________________, who advocated full civil rights for blacks.

Answers

Answer:

Radical Republicans

Explanation:

Radical Republicans opposed Lincoln's Reconstruction Plan because it did not ensure equal civil rights for freed slaves. After the assassination of Abraham Lincoln in 1865, the new president, Andrew Johnson, issued his own Reconstruction Plan.

The Radical Republicans opposed Lincoln's plan because they thought it too lenient toward the South. Radical Republicans believed that Lincoln's plan for Reconstruction was not harsh enough because, from their point of view, the South was guilty of starting the war and deserved to be punished as such

Which statement about Atlanta under mayors William b hartsfield and Ivan Allen jr. is correct?
A. Major businesses moved the headquarters out of the city
B. Corruption caused public opinion of the government to decline
C. The city experienced a long Great Depression
D. African Americans gained important civil rights

Answers

Answer:

(A) is correct

African Americans gained important civil rights

Explanation:

Under mayors, William Hartsfield and Ivan Allen Jr African Americans gained important civil rights. The correct option here is d.

What did Ivan Allen Jr do after becoming the president?

Ivan Allen after becoming president of the Atlanta Chamber of Commerce in 1960 and worked closely with William Hartsfield. He shared his view about the need for some racial changes.

Allen took the issue of the racial situation as an economic issue but it was more than that. Students came up to them and spelt out carefully what was needed in Atlanta. They demanded the white community to stand up and take responsibility for the black communities of the city.

All these led to one situation and another. But Ivan Allen as a mayor in the 1960s risked his life and political future and ensured the enactment of America's civil rights legislation.

Allen Jr was a courageous leader who established civil rights for Americans.

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How did migration cause political and social conflicts in the 19th century

Answers

Migration among many immigrants in the 19th century composed of Irish, Italians, Germans, English, and to a certain extent, Eastern European's. It created the know nothibg party in the mid 19th century led by martin van buren after seeing how americans lost their jobs for cheaper labor and domestic issues. The chinese came in massive waves through the west to help construct railroads and expansion for trains, which caused a dilemma leading to the Chinese Exclusion Act (1887). Finally the anti-semantic americans created racist terms for these immigrants like "krauts" on the germans. It created a new American Identity ready to enter the 20th century and escape the 2nd great awakening/Civil War time period.

which of the following best sums up the reason American colonists felt their rights as Englishman we’re not upheld
give me liberty or give me death
taxation without representation
The tree of liberty must be watered with the blood of patriots
well I live let me have a country

Answers

taxation without representation

Explanation:

Knowing the Americans' attachment to tea, Lord North expected them to swallow the tea tax because of its significantly reduced price. This would set a precedent - the colonists would accept the tax law passed by the British Parliament. However, this intention was also apparent to American colonists: the debate over the taxes and law of the colonies, or the British Parliament, has been going on for years, and the principle that no taxation without representation is already fully accepted in American society. At that time, the colonists did not stop only at the boycott of English tea.

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Under what circumstances would a chapter in an American history textbook written in 1965, on the topic of the Russian Revolution of 1917, be considered a primary source?

Question 3 options:

if the chapter's authors based their conclusions on their analysis of primary sources related to the Russian Revolution of 1917

if the chapter were used by college students to write research papers on the Russian Revolution of 1917

a textbook chapter would never be considered a primary source

if that chapter were being read to understand how American educators taught Russian history in the 1960s

Answers

Final answer:

A chapter on the Russian Revolution of 1917 in a 1965 American history textbook can be considered a primary source if it's read to understand how the event was taught in America in the 1960s. This is because it offers insights into the perspective of that particular era.

Explanation:

A chapter in an American history textbook written in 1965 on the topic of the Russian Revolution of 1917 would be considered a primary source if that chapter were being read to understand how American educators taught Russian history in the 1960s.

Primary sources are direct, first-hand sources of information or data. For instance, original documents like letters or diaries, artifacts, or artistic works. They are created or recorded during the time being studied. However, primary sources can also be used to gain insight into the perspective or context of a certain time period.

In this case, a textbook chapter written in 1965 can be seen as a primary source to understand the perspective on the Russian Revolution from the viewpoint of American educators during the Cold War era, which was characterized by a lot of tension and suspicion between America and Soviet Russia.

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Why did Americans endorse a new engagement in international affairs during the Cold War? How did this belief change over time in response to particular events?

Answers

It was because they considered themselves to be the protectors of freedom.

So as protectors of freedom, they should do something mainly when talking about wars and disputes, which made them go to wars many times to have more allies.

Why did the creoles oppose the presence of the peninsular?

Answers

Because they fought for independence. They took part in the fight due to many issues. They thought it was worthy because of the way the other people treated them, so because of that they fought for Latin American people.

Residents of all states will be eligible for an Identity Protection Personal Identification Number (IP PIN) by what year?

Answers

Answer: July 1 2024

Explanation: The identity protection personal identification number is expected to have been expanded so that all tax payers could opt to participate in the program. The program was formed to fight those cheating the government through tax related theft. Initially the pin was issued to the individual suspected of tax related theft.

The program is now extended to everybody expected to pay tax, and the participating state has been increasing lately, according to the congress the tax payer First Act, it was mandated that by July 1 2024 all states would have been eligible.

Which of the following statements best describes how the First Amendment affects religion in the United States?
a. The government has an official religion.
b. There can be no official religion in the United States.
c. Religion cannot be dictated religion.
d. State employees cannot have a religion.

Answers

Answer:

b. There can be no official religion in the United States.

Explanation:

The first clause of the First Amendment is the one that guarantees the separation of state and church. That´s why they call it the establishment clause.  In practice, this means that there can be no official church funded by the state in the USA.

Answer:

There can be no official religion in the United States.

Explanation:

bc i know

Why were Southerners opposed to the National Bank?

A) They felt the National Bank helped stabilize currency and credit.

B) 
They felt the National Bank restricted credit and placed too much power in the hands of a few bankers.

C) he National Bank did not loan money to slave owners.

D) 
The National Bank charged higher interest rates on loans than all state banks.

Answers

Answer:

The corrects answer is the letter B) They felt the National Bank restricted credit and placed too much power in the hands of a few bankers.

Explanation:

The Southern States was against the idea of a National Bank because they feared that the bank would favor the economic interests of the industrialized northern states. This way, the Southern States thought that the National Bank restricted credit and placed too much power in the hands of few bankers.

Answer:

b

Explanation:

After Civil War,why the president and the congress do not agree on the reconstruction?

Answers

The congress wanted the south to be punished because of the war, but the president did not agree, the congress then devised 13th Amendment to abolish slavery.

book of _______________ tells the story of the wilderness journey. It serves as a travel diary of the Israelites after the exodus.

Answers

Answer:

The Book of Numbers.

Explanation:

The Israelites under the leadership of Moses moved out of Egypt after the ten Plagues. Their exit was told in the book of Exodus, from the way God prepared Moses to lead his people and how to get them out. Then, in the next book in the Bible, the Book of Numbers, the actual journey covering the whole duration is given.

Starting with the recording of the census of everyone who is in the journey, God asked and guided Moses in taking care of the people. The wilderness journey, as is more generally referred to about the exodus, is recorded in more detail in the whole Book, acting as a form of travel diary for the Israelites after their exodus.

Graded Assignment Webquest: Daily Life in Athens and Sparta Based on your findings from the British Museumâs comparisons of the lives of ordinary Athenians and Spartans, answer the questions. First, compare the lives of an Athenian male and a Spartan male. How does the birth of an Athenian male differ from the birth of a Spartan Male? Answer: Type your answer here.

Answers

The Spartan fathers will take their children straight to the gathering lobby, there, they will find a gathering of senior citizens that will investigate the infant. They test them for their wellbeing and quality and they will decide if the infants are good to go.

What was significant about the St. Bartholomew's Day Massacre to the Wars of Religion on France?

Answers

Answer: The St. Bartholomew's Day massacre in 1572 was a targeted group of assassinations and a wave of Catholic mob violence, directed against the Huguenots

Explanation:

What continuities/ what stayed the same (socially and demographically) in Americas when they came in contact with the Europeans

Answers

The government stayed the same with colonies

why did the new german and scots-irish immigrants to america move west after they arrived in the colonies

Answers

Answer:

The germans and the scots-irish were usually very poor, some of them arrived as indentured servants and only gained their liberty after a few years of unpaid work. They found it hard to establish themselves in the cities and in the coastal areas, where the land was either occupied or more expensive.

In the case of the scots-irish, the vast majority settled in the south and the best land was occupied by rich plantation owners. These new immigrants did not have the economic means to start their own plantations and buy slaves.

They decied to settled in the "backcountry", a region that corresponds roughly with the Appalachian mountains. The land there was cheap, but the risks were higher.

The House of the Prophet in Medina became the prototype for the ____________. Group of answer choices Roman atrium house Gothic cathedral Christian basilica mosque

Answers

Answer:

Mosque is the answer.

Explanation:

intellectual and ideological context in which revolutions swept the atlantic world from 1750 to 1900 answers

Answers

Answer:

The intellectual and ideological context was fundamentally liberal. Inspired by the ideas of philosophers such as John Locke, Montesquieu, Jean-Jacques Rosseau, among others, revolutionaries sought to topple the monarchic regimes, and replace them with democratic institutions.

In Europe, the French Revolution abolished the monarchy, and established a brief period of democracy that ended in the dictatorship of Napoleon.

In the Americas, the English Colonies formed a federal country: the United States, and in the Spanish Americas, several countries were carved out of the former colonial empire, and all of the new countries became liberal democracies.

The period from 1750 to 1900 saw revolutionary movements across the Atlantic world influenced by the Enlightenment and ideas of liberty and equality. This led to significant political and social changes and the spread of democratic ideologies, setting the stage for further global conflicts.

Intellectual and Ideological Context of Atlantic Revolutions

The period from 1750 to 1900 was marked by a radical transformation in politics, society, and ideas, resulting in revolutionary movements across the Atlantic world. These revolutions were significantly shaped by the intellectual paradigm of the Enlightenment, which emphasized reason, individual rights, and the principles of democracy and republicanism. Enlightenment thinkers and their principles of liberty and equality provided the intellectual underpinnings for revolutionary changes, such as the American Revolution (1776–1783), the French Revolution (1789–1799), and a host of other uprisings that swept through Europe and the Americas.

The Enlightenment fostered a critical ethos that questioned traditional hierarchies and absolutist rule. The spread of democratic ideas can be seen in innovations such as mass media, which helped politicize public opinion and shaped the popular culture of the 19th century. Furthermore, the expansion of new technology contributed to the circulation of ideas and the spread of revolutionary ferment.

As European nations like Britain and France attempted to liberalize their political systems, the impacts of these revolutions led to profound social changes. The quest for national independence and resistance to old feudal orders gave rise to the ideological shifts in Europe. The late 1800s also saw the rise of imperialism and colonial challenges, setting the stage for the global conflicts of the 20th century. The Atlantic revolutions were not only a series of events but a complex interaction of societal transformation driven by the push for rational social planning, new ideologies, and the enduring quest for democracy and individual freedom.

Do you think the government embodies the ideas outlined in the preamble?

Answers

Answer:

Yes

Explanation:

The ideals of the Declaration have become deeply embedded in the Western outlook. Discuss this statement.

Answers

Answer:

The Declaration was written under the liberal and democratic thought, that's why its ideas spread and embedded in the Western outlook.

Explanation:

This document was written in a period when several European kingdoms were losing their power and suffering from rebellions against their supposed divine origin. The Ancient Regimen was coming to an end, and the Declaration reflects these ideas of democracy, of a liberal and minimum state, where the individuals can live and thrive without being worry about the severe control of a State or a King. Most of it, I think, the thought of John Locke about the possibility to take down a government (legally) that doesn't comply with its duties, this idea of liberty is the most celebrated of all.

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