at a time around 3.5 billion years ago, the primordial atmosphere that had a large fraction of carbon dioxide transformed into one that had a larger fraction of free oxygen. what cause this to occur? group of answer choices volcanic outgasing earthquakes becoming more common due to solar activity early photosynthesizing organisms onset of an ice age collision of fragments of asteroids with earth

In NH3, the nitrogen atom undergoes sp3 hybridization, which means that all four valence orbitals of nitrogen are hybridized to form four equivalent sp3 hybrid orbitals.

This leaves no valence orbitals unhybridized on the nitrogen atom. The three sp3 hybrid orbitals of nitrogen overlap with the 1s orbital of three hydrogen atoms to form three N-H sigma bonds, while the remaining sp3 hybrid orbital of nitrogen contains a lone pair of electrons.

Therefore, in NH3, all the valence orbitals of nitrogen are either involved in bonding or occupied by lone pairs of electrons, and none of them are left unhybridized.

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see if this helps

Explanation:

List of different types of landscape. Desert, Plain, Taiga, Tundra, Wetland, Mountain, Mountain range, Cliff, Coast, Littoral zone, Glacier, Polar regions of Earth, Shrubland, Forest, Rainforest, Woodland, Jungle, Moors, Steppe, Valley.

The two lines are intercept of each other and can intersect each other and are perpendicular to each other.

Intercept is defined as a point where the slope of the line passes on the y-axis.

It can also be defined to halt, seize, or disrupt while proceeding or traveling, or before arriving, in order to receive (a signal or message directed somewhere), usually covertly.

The points at which a line crosses an axis are known as the xxx-intercept and the yyy-intercept, respectively.

Thus, the two lines are intercept of each other and can intersect each other and are perpendicular to each other.  

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If you stood on a planet having a mass four times higher than Earth's mass, and a radius two times longer than Earth's radius, you would weigh four times more than you do on Earth.

The correct option is (D).

The weight of an object is determined by the force of gravity acting upon it, which depends on the mass of the planet and the distance from its center. In this scenario, the planet has a mass four times higher than Earth's mass, meaning it exerts four times more gravitational force. Additionally, the radius of the planet is two times longer than Earth's radius. As weight is proportional to the product of mass and gravitational acceleration, the combination of these factors results in a weight that is four times higher than what it would be on Earth.

So, the correct answer is (D) four times more than you do on Earth.

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Answer:

Become a Leader in Sustainable Business with this Cambridge University Online Short Course. Learn the Applications of Business Sustainability Management in this Online Short Course. Personalised Support. Dedicated Support Team

Explanation:

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\(\red:\implies\)Sustainable development refers to meeting the needs of today without compromising the needs of tomorrow. For example, in the case of groundwater, if we use more than what is being replenished by rain then we would be overusing this resource. 

\(\red:\implies\)When we overuse a resource it would not be available to the future generations. So sustainability ensures that the resource is not overused and helps the future generation to get their part.  

Economists study : D.how people can use limited resources to best satisfy unlimited wants.

The social science of economics is concerned with the creation, exchange, and consumption of goods and services. It entails examining how people, organisations and communities make decisions and distribute resources to meet their wants and aspirations.

When discussing scarcity which relates to the fundamental issue of having limitless demands but scarce resources, economists take into account a variety of facets of human behaviour and decision-making.

Therefore the correct option is D.

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The climate type located between lines A and B on the map is the tropical climate.

The tropical climate is typically found in regions near the equator, characterized by high temperatures and high levels of humidity throughout the year. These areas experience warm weather with little seasonal variation and they are often characterized by lush vegetation and diverse ecosystems.

The presence of the tropical climate between lines A and B suggests that this region falls within the tropical belt on the map which is closer to the equator and experiences a consistently warm and humid climate.

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Answer:

15

Explanation:

Thanks! it was C!

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Answer:

Thank you i got it right ^^

Explanation:

Answer:

A. silver

Explanation:

sorry if its not the answer your looking for!!

The Congo has many resources including gold, palm oil, ivory and silver. Hence, option A is correct.

The second-largest rainforest in the world, cobalt and copper mining, hydropower potential, significant arable land, and an abundance of wildlife are just a few of the exceptional natural resources that the Democratic Republic of the Congo is blessed with.

The DRC is home to a range of minerals including diamonds, gold, copper, cobalt, cassiterite, and coltan in addition to abundant natural resources including lumber, coffee, and oil. However, the Congolese population has scarcely benefited from these abundant riches.

The value of its untapped raw mineral deposits is believed to be more than $24 trillion dollars, making the Democratic Republic of the Congo the richest country in the world, according to experts in natural resources.

Thus, option A is correct.

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Answer:

C. It is the region between the Sahara Desert and the African savanna.

Explanation:

Sahel refers to a semi-arid region of land that is strategically positioned to south of the Sahara Desert and it is typically made up of barren planes with very few trees and dry area of grasses.

Basically, the Sahel covers about 5,400 km in distance from Senegal to Sudan.

The statement which best describes the Sahel is that, it is the region between the Sahara Desert and the African savanna.

Answer:

c

c

c

c

c

c

c

c

c

c

c

c

c

c

c

c

Explanation:

The financial director of a company has calculated the average total cost (C). The average total cost is a measure that includes all costs incurred by the company, such as rent, insurance, and new output.

It represents the total cost per unit of output and is calculated by dividing the total cost (TC) by the number of units produced (Q): C = TC/Q. By calculating the average total cost, the director can assess the overall cost efficiency of the company's operations.

It helps in understanding the relationship between the cost of production and the level of output, providing valuable insights for decision-making and financial planning.

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Answer:

Distinctive oceanic regions identified on the basis of organisms, ocean floor topography, currents, areas of nutrient-rich upwelling circulation, or areas of significant predation are called large marine ecosystem.

Answer:

I would say B.) Entertainment.

Electricity is necessary to power an urban area.

A sewage system is necessary for sanitation purposes.

Clinics are needed to help sick or injured people.

Though entertainment is nice, it is not an essential service.

Answer:

B

Explanation:

K12

Answer: Georgia’s history is integrals connected to that of the rest of the South and the rest of the country. But as the biggest state east of the Mississippi, the most youthful and southernmost of the thirteen colonies, and by 1860 the foremost crowded southern state, Georgia is in certain regards truly particular.

Explanation:

Answer:

Trade Agreements

Explanation:

The Columbian Exchange Essay example 1077 Words | 5 Pages The Columbian Exchange is the exchange of plants, animals, food, and diseases between Europe and the Americas. In 1492, when Christopher Columbus came to America, he saw plants and animals he had never seen before so he took them back with him to Europe.

A narrow strip of land that connects two larger land masses and separates two water bodies is called an Isthmus.

Since Isthmus lies at the connecting point of two large landmasses, its strategic location makes it ideal for setting up ports, canals, military camps, stations, etc. A natural outcome of such structures would be enhanced communication, exchange of knowledge, culture, and robust trade through this connection.

Some examples include the Isthmus of Panama which links continents of North and South America and separates the Pacific Ocean from the Atlantic Ocean. The Isthmus of Suez links the continents of Asia and Africa and separates the Red Sea from the Mediterranean Sea.

Both the above-mentioned Isthmus are expeditors of large-scale trade across the world. About 14,000 ships cross the Panama Canal between the Atlantic and Pacific Oceans every year.

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Population distribution reflects the particular regions economy by showing the pattern or the ways that people live.

This is the term that is used to refer to the patterns that people around the world live. The population distribution helps to show the way that people are spread out in a region and the areas of the world that we live in.

The population distribution that we have around the world today is not even. The areas of the world that people live in and the ones that are not habited are not the same. The inhabited areas are more than the areas that people live in.

Sparse distributions have less people that live in them, while the area that are densely populated have a lot of people that are living in these regions.

The densely populated areas have a better economy and vibrant economies than the areas that are sparsely populated.

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Answer:

Democracy has played a role because cultural convergence is about putting cultures together or taking small parts of different cultural and making a new. democracy is about only allowing certain people to do certain things and if you someone doesn't like you it won't happen

Explanation:

Answer:

Land cover refers to the surface cover on the ground, whether vegetation, urban infrastructure, water, bare soil or other. ... Land use refers to the purpose the land serves, for example, recreation, wildlife habitat, or agriculture

Explanation:

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A chemical reaction is a process that involves the transformation of one or more substances into different substances.

It occurs when chemical bonds between atoms are broken and new bonds are formed. During a chemical reaction, the atoms are rearranged, resulting in the formation of new compounds or molecules.

Following options are the correct answer from the list,

1. The correct answer is D.

2.The correct answer is A.

3.The correct answer is C.

4.The correct answer is B.

5.The correct answer is A.

6.The correct answer is B.

7.The correct answer is D.

8.The correct answer is A.

9.The correct answer is D.

10.The correct answer is D.

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Answer:

A terminator or twilight zone

Explanation:

Answer:

B.

Canadian Shield

Explanation:

Answer: Requires more context

Explanation: It is not possible to answer this question without additional context regarding the region being referred to. Acid rain can be a major issue in many regions around the world where there is significant air pollution, particularly from sources such as coal-fired power plants and industrial emissions. In general, areas with high levels of industrialization or heavy traffic tend to be more affected by acid rain. Some parts of North America and Europe have experienced significant problems with acid rain in the past, but it is important to note that acid rain can be a global problem affecting many different regions and ecosystems.

Wegener proposed that the organisms had lived side by side, but that the lands had moved apart after they were dead and fossilized on different continents.

The continents have migrated in relation to one another over geologic time, according to the continental drift theory, giving the impression that they have "drifted" across the ocean floor. The scientist Alfred Wegener is most strongly linked to the concept of continental drift. In the early 20th century, Wegener published a paper describing his theory that the continents were "drifting" across the Earth, periodically crashing through oceans and into one another. This phenomenon was known as continental drift by Alfred Wegener. The science of plate tectonics, which investigates how continents move while riding on lithosphere plates, has incorporated the idea of continental drift. Ancient fossils of the same species of extinct plants and animals can be found on continents that are presently far apart, but they are preserved in rocks that are the same age. Wegener claimed that the organisms had coexisted, but that once they died and became fossils, the lands had separated.

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The complete question is mentioned below :

How did Wegener explain why fossils of land animal were found?

Answer: Which would be characterized by rich soils, insufficient rainfall for trees, and many herbivores? A. Grasslands

Explanation:

The correct one is grasslands Have a great day!!!!!!!!

Grasslands would be characterized by rich soils, insufficient rainfall for trees, and many herbivores.

Large herbivores include animals like cows, elk, and buffalo. These creatures consume grass, tree bark, aquatic plants, and plant growth. Medium-sized animals like sheep and goats, which graze grasses and shrubby vegetation, can also be herbivores. Mice, rabbits, chipmunks, and squirrels are examples of small herbivores.

An organism that mostly consumes plants is a herbivore. The size of a herbivore can range from tiny insects like aphids to enormous, hulking elephants. The food web, which describes the species that consume other organisms in the wild, is largely composed of herbivores.

Creatures that consume other animals are called carnivores. The Latin origin of the word carnivore is "meat eater." Vertebrate carnivores include snakes and sharks as well as wild cats like lions and tigers.

Thus, it is Grasslands.

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Moon cycles are important in agriculture because plants' growth depends on these cycles (gravitational and light generating force), thereby supporting cultural/society development.

The Moon cycle can be defined as the period of time between the emergence of a new Moon and the next Moon, which consists of approximately 29 days and 12 hours.

The fourth quarter in the moon cycle is considered the best period to cultivate due to the less gravitational force and high moonlight, which allow optimum plant growth.

In conclusion, moon cycles are important in agriculture because plants' growth depends on these cycles (gravitational and light generating force), thereby supporting cultural/society development.

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Answer: 13

Explanation:

A Jet takes off and travels 56 miles to achieve an altitude of 12.6 miles. The angle of elevation for the jet's path is 13.

An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in the plane that contains the rays. Angles are also formed by the intersection of two planes. These are called dihedral angles. Two intersecting curves may also define an angle, which is the angle of the rays lying tangent to the respective curves at their point of intersection.

Angle is also used to refer to the measure of an angle or of an angle of rotation. This measure is conventionally defined as the ratio of the length of a circular arc to its radius, and may be signed.

In the case of a geometric angle, the arc is centered at the vertex and delimited by the sides.

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the correct answer for the percent slope calculation is 81%.

To determine the change in elevation (the relief) from one end of the line to the other, we need to subtract the elevation at one end from the elevation at the other end.

The given options are:

A) -1310 feet

B) -161 feet

C) -966 feet

D) -5280 feet

Since the question does not provide the specific elevations at each end of the line, it is not possible to calculate the change in elevation accurately. Therefore, none of the options can be chosen as the correct answer.

Moving on to the calculation of the percent slope, we need the rise (the change in elevation) and the run (the distance of the line).

In the given options, the closest values for rise and run are:

Rise = 131 feet (from option A)

Run = 161 feet (from option B)

To calculate the percent slope, we use the formula: (Rise/Run) * 100.

Using the given rise and run values:

(131 feet / 161 feet) * 100 = 81.37%

Rounding to the nearest integer, the percent slope would be approximately 81%.

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