What gas dominated earth’s first atmosphere?

Answers

Answer 1

Answer:

hydrogen

Explanation:


Related Questions

What term describes both alleles being
expressed within an offspring?
A. Genotype
B. Complete dominance
C. Codominance dominance
D. Full dominance

Answers

Answer:

C

Explanation:

i am sorry if this is wrong

The term that describes both alleles being expressed within an offspring is known as Codominance dominance. Thus, the correct answer is option (C).

What is Codominance?

In genetics, codominance refers to a type of inheritance in which two versions (alleles) of the same gene are expressed separately to produce different traits in an individual. That is, instead of one trait predominating over the other, both traits appear, as in a plant or animal with multiple pigment colors.

The MN blood group system of humans is an example of codominance. Two alleles, M and N, govern MN blood type. The M antigen is a surface molecule seen on red blood cells in people who are homozygous for the M allele. Those who are homozygous for the N allele also have the N antigen on their red blood cells.

Therefore, Codominance dominance is the correct answer.

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imagine that jesus is standing before you what kind of help will you ask him to give you and why​

Answers

Answer:

Explanation:Imagine giving a special gift to a friend—something your friend really needs and ... When we don't invite Jesus to help us become clean through repentance

i would ask him to help me with my school work

What are the sources of the energy that drives the earth’s processes?
Select one:

A. The sun and the earth’s interior.
B .The sun and chemical reactions.
C. The earth’s interior and chemical reactions.
D. The earth’s interior and gravity.

Answers

Answer:

Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.

Explanation:

Hope It helps

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If two pieces of ocean crust meet at a convergent boundary, which piece tends to curl under and back into the mantle

Older crust
Or
Younger crust

Answers

Answer:

most likely the older crust

state two formations in which mineral ores occur

Answers

Answer:

Igneous, sedimentary, metamorphic, and hydrothermal.

Explanation:

what is the other name for doldrum​

Answers

Answer:

The other name for doldrum is called equatorial calms.

Explanation:

Hope this helps! :)

why are Jupiter, Saturn, Uranus, and Neptune less dense than the inner planets?

Answers

Becuase of their unique atmospheres and size
The eight planets of our Solar System vary widely, not only in terms of size, but also in terms of mass and density (i.e. its mass per unit of volume). For instance, the 4 inner planets – those that are closest to the Sun – are all terrestrial planets, meaning they are composed primarily of silicate rocks or metals and have a solid surface. On these planets, density varies the farther one ventures from the surface towards the core, but not considerably.

The photo shows the San Andreas fault zone. This is a fault formed at a transform boundary.

What would you expect to find along this fault?

rift valleys
volcanoes
earthquakes
mountains

Answers

Answer:

C. Earthquakes

Explanation:

Just did the quiz. It is not mountains.

Answer:

C

Explanation:

The Earth’s surface is divided into __________ continents and __________ oceans.
A.
eight . . . three
B.
seven . . . four
C.
six . . . three
D.
seven . . . two

Answers

Answer:

B

Explanation:

Answer:

The answer is B

Explanation:

There are 7 continents (Africa, Antarctica, Asia, Australia, Europe, North America and South America.)

There are 4 oceans (the Atlantic, Pacific, Indian, and Arctic.)

global warming effect and causes

Answers

Answer:

the cause is humans not taking care of the eath by burning fossil fuels like coal gas and oil and the effect is climate change and and global getting hotter and hotter and the meals Antarctica wicth brings floods and cold fronts

Answer:

(hope this helps!)

There are many causes of global warming but the most known causes mainly stem from human activities such as burning fossil fuels, deforestation, and farming.

Fossil fuels produce large amounts of carbon dioxide when burned. Carbon emissions trap heat in the atmosphere which lead to climate change.

The surplus carbon is stored in the plant, helping it to grow. when trees are cut down and burned or allowed to rot, their stored carbon is released into the air as carbon dioxide. Eventually contributing to global warming.  

Farming has the same effect as deforestation because when you nurture and grow the plant the cut it down or uproot it, the carbon it is storing is released back into the air contributing to global warming.

Sparta was one of the ancient Aegean __ with its own ruler and government.



A. City-States

B. Districts

C. Empires​

Answers

Answer:

City states

Explanation:

there was no Greek empire just city states

Sparta was a city-state so the answer would be: A. City-States

Political Geography is the study of governments and their boundaries.
True or false?

Answers

Answer:

True!

Explanation:

A political boundary is an imaginary line separating one political unit, such as a country or state, from another. Sometimes these align with a natural geographic feature like a river to form a border or barrier between nations. Occasionally, two countries may contest where a particular border is drawn.

Explain the tradition of the place they visited.

Answers

There are various reasons for which a person likes traveling. Maybe you like to see new places and explore locations you have never seen before. Maybe you like looking at beautiful landscapes. Alternatively, perhaps you are interested in the culture and traditions a certain nation has. The latter is not as common as the first ones, but it is a legitimate reason to travel across the world. Some people are just curious to see what is like to live in another country. Some nations have a unique way of life, something that you do not see every day. Certain traditions have been kept for hundreds or thousands of years. Those are the ones you want to see. To witness such things, you must know which cultures hold them. Below you will find a list with ten destinations where tradition is put on a pedestal. You will have a lot to learn from the people you find there.

Answer:

People travel for pleasure and need. People have to travel for work, to move location, to study or attend family. People like to travel for many kinds of pleasure. They like to see beautiful places, explore cultures and cuisines. Some like to try activities in different locations or visit family and friends.

The Philippines best fits what type of state morphology?
Elimination Tool
Select one answer
A Compact
B Elongated
C Fragmented

Answers

C- Fragmented
I hope this helps you !!!!

Fragmented is the type of state morphology. as the Philippines best fits. Hence, option C is correct.

What is morphology and examples?

Biology's study of the dimensions, forms, and internal relationships of animals, plants, and microbes is known as morphology. The phrase describes the basic biological features of a plant's or animal's component arrangement and structure.

The study of morphology examines how morphemes, or the constituents of words, combine or stand alone to convey a variety of meanings. For instance, adding the suffix -s to the morpheme cookie results in the creation of the new word cookies, which has a slightly different meaning than the singular form.

Studying words and their constituent elements is known as morphology. Morphemes are regarded as the smallest significant units of meaning, along with prefixes, suffixes, and base words. Morphmes are significant.

Thus, option C is correct.

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What country had a genocide?

Answers

Answer:

Cambodia and Rwanda( Choose one I guess)

Explanation:

what is the cause of most earthquakes group of answers
a) Convection currents inside the earths mantle cause movements in the crust
b) rocks layers break apart along fault lines releasing large amounts of energy
c) volcanic eruptions like mt. saint Helen's are main cause of earth quakes
d) the earth crusts breaks away and moves suddenly into mantle ​

Answers

I believe it’s A
but that’s just my guess

Who is the Prime minister of Bhutan??​

Answers

Answer: Lotay Tshering

Choose all the answers that apply.

Jupiter:

rotates upside-down
is the largest planet
is the most massive planet
is the least dense planet
has retrograde rotation

Answers

Answer:

Explanation:  

1.Jupiter is the largest planet.  

2.Jupiter is the most massive planet.

 

There are 8 planets in the solar system. Jupiter lies beyond the asteroid belt. It is the largest and most massive planet of the solar system. It does not have retrograde motion. Saturn is the second largest planet and is the least dense planet. Jupiter is composed of mostly hydrogen and helium. Jupiter's axis of rotation is tilted to about 3.13 degrees. It does not rotate upside down.

Answer:

i got it right :)

Explanation:

How did the Lord’s Resistance Army (LRA) affect the lives of Grace Akola and others in Uganda?

Answers

In practice "the LRA is not motivated by any identifiable political agenda, and its military strategy and tactics reflect this".[14] It appears to largely function as a personality cult of its leader Joseph Kony,[13] a self-declared prophet whose leadership has earned him the nickname "Africa's David Koresh".[15]

What is the main reason so few African leaders are replaced in free elections?

Answers

Answer:

The main reason so few African leaders are replaced in free elections is because the vast majority of African nations have serious socio-political and economic problems, which generate enormous political instability and serious situations of social tension. Thus, for example, countries like Mali have 75% of their population living on less than 2 dollars a day, while others, like Nigeria, increase this percentage to 92%.

Thus, these situations of poverty, need for primary resources and lack of opportunities generate social conflicts that, translated into politics, are the starting point for revolutions, dictatorships and other anti-democratic manifestations.

how do i fiind the longitude and latitude with a ruler​

Answers

Answer:

Mark how much distance is between the southern parallel to your location. Add this to the latitude of the southern parallel to get the latitude of your location. To measure the longitude you must place the ruler diagonally on the west and east meridians with the ends of the 2 ½ minute ruler touching both meridians.

Explanation:

The intentional destruction of people is called?

Answers

Answer:

Genocide is the intentional action to destroy a people—usually defined as an ethnic, national, racial, or religious group—in whole or in part.

Desertification occurs when drought and human activity destroy once-fertile land and water resources. The Sahel region of the Sahara is an area particularly affected by desertification. Lake Chad, located within the Sahel, is now referred to as “Africa’s disappearing lake,” as it is literally shrinking. Watch this video on desertification and read this article about Lake Chad. Based on what you learn from these resources, write a brief essay giving specific examples of how human activity has contributed to the problem of desertification in the Sahel region. How has the problem affected Lake Chad? How has it endangered the local population’s way of life?

Answers

Answer:

Human activity, including irrigation practices, hydroelectric dams, and intense agricultural use, have led to desertification in the Sahel region. In addition, global warming has added to the problem. Over time, the soil becomes overused and sterile. As that dry and arid soil moves, it begins to encroach on local bodies of water. Lake Chad, as a result, has shrunk in size. Just 40 years ago, this lake contained 15,000 square miles of water. It now contains just over 500 square miles of water.

The locals of this region depend heavily on both fertile soil and healthy bodies of water for survival. Desertification can greatly endanger their way of life. For example, famers cannot produce the necessary crops, and fishers cannot rely on as much seafood. The article mentions that fishers who used to be able to fill hundreds of traps can now barely fill one. Desertification in the Sahel and its impact on Lake Chad will have a lasting effect and could possibly mean a different way of life for generations to come in the region.

Explanation:

The Sahel region's desertification is an issue as, without the roots of trees and other plants, the wind may easily sweep the dust away.

Due to these problems, water is now in short supply for local residents, animals, and plants. Farmers and herders are unable to continue living their traditional lifestyles without access to water and productive land.

How has desertification affected Lake Chad?

The "Basin" of Lake Chad, which makes up over 8% of the continent, is divided among seven nations: Algeria, Cameroon, Libya, Chad, Niger, and Nigeria. Due to overuse and the consequences of climate change, the water body has decreased by 90% since the 1960s.

As a result of desertification and climate change, which have reduced Lake Chad's surface area by 90% since 1960, the lake is gradually disappearing. The lake is located in the center of the humanitarian catastrophe brought on by the fight with the Boko Haram group's armed forces, making it dangerous to access what little is left.

The lake was formerly among the world's greatest bodies of water.

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How a government chooses to use its resources and address problems is known as...
A. Mode
B. Public Policy
C. Occupation
D. Sovereign ​

Answers

Answer:

B. Public Policy

Explanation:

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The strength of tides is related to the position of the Sun, Earth, and the Moon. The diagrams show the alignment of the Sun, Earth, and the Moon on different dates. How did the tides for September 26 compare to the tides for October 3?



The tides on September 26 were stronger than the tides on October 3.

The tides on September 26 were weaker than the tides on October 3.

September 26 and October 3 produced spring tides.

September 26 and October 3 produced neap tides.

Answers

Answer:

I think option A is correct

The tide is a rise and fall of water, produced on the 26 Sept will be stronger as compared to the tides produced on October 3 as they fall under spring tides.

The tides are a result of the gravitational attraction and the position of the sun and moon.

Due to the moon is closer but smaller in size it exerts a tidal force that is less than that of the sun. While the sun is farther but huge in size hence has greater gravitational potential.As per the image, the tidal effect of the sun and moon on earth will produce a combined effect know as a spring tide. As compared to the neap tide produce on October 3.

Hence the option A that is tides of September 26 will be stronger than those on Octo 3.

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4. Which of the following is positively correlated with gross domestic product (GDP) per capita?
A. Infant mortality rate
B.Carbon dioxide emission per capita
C. Rate of natural increase
D. Rice production per capita
E. Distance from the Greenwich meridian

Answers

CAnswer:

C

Explanation:

Aaa

Rate of natural increase is positively correlated with gross domestic product (GDP) per capita.

What is Gross domestic product?

Gross domestic product  can be regarded as the standard measure of the value added which was formed by  production of goods and services in a country during a certain period.

It should be noted that Rate of natural increase is positively correlated with gross domestic product.

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What term describes a diagram showing
genetic relationships between members
of a family?
A. Pedigree
B. Karyogram
C. Karyotype
D. Punnett square

Answers

The answer is B. Karyogram

describe four things that tourists would find attractive about this coast

Answers

Answer:

the ocean the food , the many culture  finally and popular place like new Orleans

Explanation:

hope tis really help
The ocean, swimming, seafood and local culture

Which substance will the most water flow through and why? (sand, gravel, clay)

Answers

Answer:

gravel

Explanation:

because it contains large air spaces thus allowing water to pass through

In a paragraph of 125 words, describe why ethnic conflict is common in Sub-Saharan Africa.

Answers

Answer:

Ethnic conflict is common in Sub-Saharan Africa mainly because colonizers established political borders without considering cultural divisions, and most countries have diverse ethnic groups. As a result, the people of Sub-Saharan Africa are generally most local to their cultural group.

Explanation:

Ethnic conflict is common in Sub-Saharan Africa because of "poor governance, ethnic rivalry, mismanagement of land and natural resources, declining economic condition, widespread poverty and famine from a daunting bulwark against stability"

What is Sub-Saharan Africa?

Sub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara desert. It is a vast land rich on natural resources with great potential for investment and opportunity.

What is ethnic conflict?

An ethnic conflict is a conflict between two or more contending ethnic groups. While the source of the conflict may be political, social, economic or religious, the individuals in conflict must expressly fight for their ethnic group's position within society.

What is the reason behind ethnic conflict in Sub-Saharan Africa?

The major occurrence of colonialism and the cold war prevented Sub-Saharan states from following two trends, i.e., the spread of constitutional democracy and economic globalization. The disruption in sovereignty caused by colonialism, which was then followed by hastily formed government during the cold war, spawned condition of corruption, scarcity and violent competition. These conditions make it difficult for African sates to achieve lasting stability and advanced economy. As a result, any stability is often fleeting, conflict remains inevitable.

Hence, poor governance, ethnic rivalry, mismanagement of natural resources and other are reasons behind ethnic conflict.

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