Mammals first appeared during the ______.a. Cenozoic Era
c. Mesozoic Era
b. Paleozoic Era
d. Cretaceous Period

Answers

Answer 1
Answer: Mammals first appeared during the Mesozoic Era. The correct option among all the options that are given in the question is option "c". The Mesozoic Era is considered to have lasted for about 180 million years. The Mesozoic Era is divided into three parts and they are the Triassic, the Jurassic and the Cretaceous. The mammals are considered to have evolved during the Triassic period.
Answer 2
Answer:

Mammals first appeared during the Mesozoic Era. Therefore, option c is correct.

The Mesozoic Era, also known as the Age of Reptiles, was a geological era that spanned from approximately 252 to 66 million years ago. It is divided into three periods: the Triassic, Jurassic, and Cretaceous.

The Mesozoic Era is characterized by the dominance of reptiles, including dinosaurs, pterosaurs, and marine reptiles, as well as the evolutionary rise of mammals, birds, and flowering plants.

It was a time of significant geological and biological changes, including the breakup of the supercontinent Pangaea, the evolution of new ecosystems, and the eventual mass extinction event that marked the end of the era and the dawn of the Cenozoic Era.

Therefore, option c is correct.

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Related Questions

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The development of feudalism occurred in response to which event?A. the fall of the Western Roman EmpireB. the Mongol invasionsC. the spread of the Muslim faithD. the decline of trade between Europe and the East
The president’s role in a political party is to help set the legislative agenda, support the party platform, and serve as a __ for the party.
When you begin working, you will most likely be both a _____ and a _____ in a market economy.

How did the Civil War influence the role of government in the United States?It showed that the national government was weak and ineffective.

It illustrated how states were unable to make adequate decisions.

It highlighted how the national government was the sovereign power.

It revealed that national and state governments could not work together.

Answers

The Civil War influenced the role of government in the United States because it highlighted how the national government was the sovereign power. Following efforts by states to succeed and establish their own system of government the national government of the U.S. asserted is dominance and defeated the southern belligerents, thereby reasserting its dominance over politics and government in the United States following the war. 

The Civil War influence the role of government in the United States by:It highlighted how the national government was the sovereign power.

Civil war

Civil war has an impact on the United States of American government because the war influence the government during that period.

The civil war highlight or point out how the national government  of the United States was the sovereign power.

Therefore the correct option is C.

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Which of these describes the Pan-African exhibits at the 1900 World's Fair?A. They encouraged African communities to adopt the customs of Western culture.
B. They encouraged European countries to establish colonies in Africa.
C. They showed the ancient, mysterious, and primitive cultures of African communities.
D. They showed the literary, artistic, and business achievements of African Americans.

Answers

At the Pan African exhibits at the 1900 world's Fair they showed the literacy, artistic and business achievements of African Americans. The correct option among all the options that are given in the question is the last option or option "D". They actually put together "Exhibit of American Negroes" . I hope this helps you.

Answer:

The correct answer is D. They Showed the literary, artistic, and business achievemnets of African Americans.

Explanation:

With this exhibition, notable civil rights activist W.E.B. DuBois sought to advance of status and perception African American community in such a worldwide stage. In order to do that, he and the other organizers of the Exhibit of American Negroes wanted to show the active and important contributions of African Americans to the American society, including its history, present state, arts, literature and business,with photographs portraying middle-class Black families to show how they had improved their condition since the days of slavery.

Which of the following was NOT a use for some of the sharper tools made by early humans?

Answers

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be "navigation", since humans during this time period would either stay in one place or move according to where food sources were more plentiful. 

What did philosophers of the Enlightenment have faith in, believing it could answer questions and solve problems?

Answers

The answer is reason.  Philosophers of the Enlightenment believed that answer can be found through reasoning.  There were two types of reasoning during that time.  You have rationalism that relies on deduction and Empiricism which deals with experience. It took root due to the liberal atmosphere at the time.

Final answer:

Enlightenment philosophers had strong faith in reason and science. They believed these tools could answer essential questions and solve societal problems. Their perspectives reflected an optimistic view of human potentials.

Explanation:

Philosophers of the Enlightenment, a notable era in history, had a profound faith in reason and science. They believed that these tools could answer questions and solve problems that plagued society. This faith in reason stemmed from the idea that humans could construct a better world by using rational thought to understand and structure their environment. Meanwhile, they saw science as a vehicle for discovering and explaining the laws of nature, which gave humans a great deal of power and control over their world. Thus, the Enlightenment was characterized by a spirit of optimism about the potential of reason and science to improve human societies.

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The Soviet Union ceased to exist in December 1991 due in part to: Gorbachev's reforms, leading to the end of the Communist party the Boris Yeltsin-led coup of the government the Communists winning more seats than the reformers

Answers

The right answer for the question that is being asked and shown above is that: "the Boris Yeltsin-led coup of the government." The Soviet Union ceased to exist in December 1991 due in part to the Boris Yeltsin-ledcoup of the government 

She's wrong ^ the answer is actually A. Gorbachev's reforms, leading to the end of the Communist party. I just did this assignment. DO NOT choose B I promise it is WRONG!!!!

What was a key difference between East and West Germany?1.West Germany was democratic, while East Germany was fascist.

2.East Germany was fascist, while West Germany was communist.

3.West Germany was communist, while East Germany was authoritarian.

4.East Germany was communist, while West Germany was democratic.

Answers

Answer:

The key difference between East and West Germany is that 4.East Germany was communist, while West Germany was democratic.

Explanation:

In the aftermath of World War II and as a consequence of the defeat of Nazi Germany, the country was divided between the two global blocs. On the one hand, East Germany (German Democratic Republic) was defined as a socialist state and was administered by Soviet forces that occupied the territory. On the contrary, West Germany (Federal Republic of Germany) considered itself a democratic reorganisation of the last Reich.

4. East Germany was communist, while West Germany was democratic.