Describe three reasons for the relatively high net primary productivity and high trophic efficiencies of natural grasslands

Answers

Answer 1
The natural grassland ecosystem is known for its relatively high net primary productivity and high trophic efficiencies compare to other types of ecosystem, many reasons are responsible for this and three of them are listed below: 
1. Natural grassland are regionally adapted to survive environmental fluctuations and grazing pressure.
2. The diverse producer base of the natural grassland ecosystem results in a large number of trophic connections. This enhances energy transfer and reduces energy losses. 
3. Nutrient cycling in the natural grassland ecosystem is very efficient and this contributes to the overall efficiency of the ecosystem. The recyclers in the ecosystem decompose dead organic matters and release the energy trapped inside them.  

Related Questions

In what ways did native peoples transform North Americab environment before European colonization?

Answers

While the stamp of Native Americans on the landscape is certainly less than that of the Euro-American colonization, they certainly did leave their mark on the earth. 

1. Homes - Whether a home was built as a permanent structure or with nomadic tendencies in mind, resources were put to use in their building. The oldest known permanent dwelling in North America is at Sky City, New Mexico. It was built by the Acoma tribe, which is now split into Acoma/Laguna. 

2. Agriculture - Growing and harvesting plants requires fertile soil to be cultivated. This would require a certain amount of clearing land. 

3. Trails - Nomadic tribes would have created trails they traveled at certain times of the year. Permanent homes would require travel routes whether for water, food or trade. These trails would not compare to the roads we know today, but there would be well traveled areas in abundance. 

4. Tools- Native Americans used many types of tools. These tools might not have required a foundry to smelt metals, but none the less there are thousands of tool artifacts that have been found all over North America. With these tools, natives shaped the landscape around them.

What characterized the african slave trade in the 15th century?

Answers

The African slave trade in 15th century was characterized by cramped areas, spread of rampant disease, hunger strikes, filth (which contributed to ultimately more deaths), and even suicide atempts by those who couldn't tolerate the conditions any more and jumped from the ship. Approximately, around 12.5 million African people have to experience this kind of cruelty during that century

The correct personal protective equipment can help prevent falls. Who is responsible for paying for it?

Answers

Answer: Employer has to purchase PPE for the employees.


Explanation: Personal Protective Equipment (PPE) are the protection equipment used by workers or laborers to protect themselves from any injury or harm during work. A sub department Occupational Safety and Health Administration regulated under US department of labor clearly directed all employers to purchase PPE for their employees because it is employer's responsibility to provide safe working place to the employees.

Lim (tanx)/2x as x approaches 0

Answers

You have to use L'Hospital Rule. So you take the derivative of the top then you take the derivative of the bottom.

1/2 × (lim x→0 (sec²x/1))

Substitute in the x-value
1/2 × (lim x→0 (sec²(0)/1))

(lim x→0 (sec²(0)/1) = 1

1/2 × 1

1/2

What explains the increasing political self government of the colonies in the eighteenth century?

Answers

The first task should be done while securing the vehicle is stopping in a legal, secure, parking space.So that we can avoid conflicts in parking the vehicles.Parking in a legal space will be the extra security for our vehicle.There is no any traffic collisions while taking or parking the car.Then police won't charge any fine for our vehicle if we park in legal space.

g= 1+2a/a , solve for a

Answers

Answer: a = 1/(g-2)

Explanation: We must solve the equation

g =  1 + 2a/a

if the equation is as written, then a/a cancels itself, because a/a = 1, and in that case we can not solve the equation for a:

g = 1 + 2a/a = 1 + 2 = 3

if the equation is, instead:

g = (1 + 2a)/a = 1/a + 2

we can solve it for a, wich means isolating a in one side of the equation, i will do it step by step.:

g = 1/a + 2

g - 2 = 1/a

a(g - 2) = 1

a = 1/(g-2)

what caused earth to partially melt when being formed

Answers

A series of items caused the Earth to partially melt when being formed. First of all, the impact of asteroids and other debris heated the Earth. Some people even believe that these impacts caused the moon to form, as well. In addition, immense gravitational compression, the act of gravity smashing an object into a rounder, denser structure, caused the Earth to melt.

the definition of scale in AP Human Geography?

Answers

Scale: The ratio between the size of an area on a map and the actual size of the same area on the earth's surface.

Compare and contrast the colonialist view of “genetic superiority” vs. Diamond’s view of New Guineans in terms of abilities? 


Answers

Diamond is an evolutionary biologist, interested in adaptations, and he proceeds to speculate that New Guineans exhibit these heightened-mental-activity traits in response to their environment, which presents them with constant and varied challenges. He gets away with it because (1) this statement is buried inside his main thesis, which is in accord with the fundamental dogma (Western superiority is just an accident of geography), and (2) his superior racial  group is non-white, and it's okay to call whites inferior

Please select the word from the list that best fits the definition
Listing the potential causes of heart disease

A. Categorization
B. Visualization

Answers

The answer would be A.

Answer: Categorization (option A)

Explanation: Categorization is the procedure in which possible causes and organs that can be affected by them are recognized differentiated and understood. Categorization implies that objects are grouped into categories usually for some specific purpose. Categorization is fundamental in prediction and decision making. Now we know what Categorization means and when listing the potential causes of heart diseases the doctor or researcher needs to categorize in order to determine the cause.


Dimensional analysis 8.9x10^5 tons= ? Ounces

Answers

We know that there are 32,000 ounces in 1 ton. Therefore we use this conversion factor in our calculations. So to convert:

8.9 x 10^5 tons * (32,000 ounces / 1 ton) = 2.848 x 10^10 ounces

 

Writing in 2 significant figures:

2.85 x 10^10 ounces

Answer: 28.48x10^9 ounces.

Explanation:

We know that 1 ton = 32000 ounces.

Now, if we have 8.9x10^5 tons, how many ounces we have?

we know that each ton is equivalent to 32000 (or 3.2x10^4) ounces, so we need to multiply the number of tons by the number of ounces that each ton has:

8.9x10^5* 3.2x10^4 = (8.9*3.2)x(10^5*10^4) = (28.48)x10^(5+4) = 28.48x10^9

So 8.9x10^5 tons are equivalent to 28.48x10^9 ounces.

Dimensional analysis: 1.35 kilometers per second= ? miles per hour

Answers

1.35 km 1000 m 100cm
----------- x ------------ x ----------
1 sec 1 km 1 m

Continued:

100 cm 1 in 1 ft 1 mi
----------- x ------------ x ------ x ---------
1 m 2.54 cm 12 in 5280 ft

Continued:

1 mi 3600sec
------------- x ---------------
5280 ft 1 hr

= 3019863994273

= 3.0199 x 10^3 mph

= 3019.86 mph


I apologize for all the work... I couldn't find a pen or pencil.
Dimensional analysis: 1.35 kilometers per second = 3019.86 miles per hourFurther explanation

Dimensional analysis, also known as factor-label method or unit-factor method, is a method used to convert one unit to a different unit.

Dimensional Analysis is a very basic aspect of measurement and has many applications such as in applied physics.

There are seven steps to do dimensional analysis:

Identify the starting factor. Identify answer units. Determine conversion factors needed. Ensure the conversion factors are in the correct format. Cancel units that appear in both the numerator and denominator. Simplify the fractions. Solve.

1.35 kilometers per second= ? miles per hour

So first we identify the starting factor:

1.35 km/second * 0.621 miles/km = 0.838 miles/sec (the km cancel out)

Next, we need to convert from seconds into hours. There are 60 second in a minute and 60 minutes in an hour, so there are 60*60=3600 second/hour. Thus,

0.838 miles/second * 3600 second/hour = 3019.86 miles/hour.

Learn more Learn more about example of dimentional analysis solution https://brainly.com/question/4993038Learn more about uses of conversion factors https://brainly.com/question/1851807Learn more about miles per hour https://brainly.com/question/1763271Learn more about dimentional analysis in bicycle https://brainly.com/question/8086790

Answer details

Grade:  9

Subject: Advanced Placement (AP)

Chapter:  Dimensional analysis

Keywords:  Dimensional analysis

what is the smallest defined unit of time on the geological scale?

Answers

I believe that the smallest defined unit of time on the geological scale are ages.
Here are all of them, ranked from largest to smallest: eons, eras, periods, epochs, and ages.
Eons are very large chunks of time which encompass more than 500 years, whereas ages can last from a couple of years to about a hundred.

Describe two examples that illustrate McLuhan's concept of a global village.

Answers

The United States and China are an example of a global village because of their economic ties. China produces goods for the United States and in return the United States gives a lot of money. Another instance that illustrates a global village is foreign exchange students. Students can fly from say the United States, and study for a year in another country such as China or the United Kingdom. The foreign exchange students spread their beliefs and customs, and learn the beliefs and customs of the area they are studying in.

Why are concepts and categories helpful when writing?
a.You can organize your thoughts in a random way.

b.You can organize your ideas into paragraphs and sentences.

c.Your brain needs to practice recall skills.

d.Writing requires so much effort.

Answers

I believe it's b.You can organize your ideas into paragraphs and sentences.
i think b is the answer 

Dimensional analysis 134 miles = ? Inches

Answers

134 mi/1 = 5280 ft/1 mi = 12 inches/1 ft
(So first, the miles unit is crossed out, so the next unit would be feet. There are 12 inches in 1 foot. So now ft are crossed out and remaining unit is inches. Multiply across, so 134 x 5280 x 12  = 8490240.)

In 134 miles, there are 8,490,240 inches.




Dimensional analysis 134 miles = 8490240. We can use a conversion factor of 63,360 inches per mile to convert 134 miles to inches.

The conversion factor of 63360 inches per mile can be used to convert 134 miles to inches.

12 inches/1 foot 5280 times 12 equals 63360

134 miles is equal to 134 63360 inches.

8,490,240 inches equal 134 miles.

We may eliminate the miles unit using dimensional analysis and replace it with inches by setting up the conversion factor as a fraction with miles in the denominator and inches in the numerator.

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How did classical china differ from early civilization patterns in the region?

Answers

Initial developments in Egypt, Mesopotamia, and elsewhere in Asia gradually faded away or became completely overrun by new peoples. However, Ancient Chinese civilization continues to this day. Even though there have been changes throughout history, the fundamental culture of China has remained intact.

In areas like Egypt and Mesopotamia new rulers of different dynasties made sweeping changes to their respective societies. However, in China, different dynasties have managed to retain fundamental aspects of initial Chinese civilization.

About what percentage of the total English migration went to New England (divide the figure for New England by the total number of immigrants)

Answers

About 29% of English immigrated to New England. 

Answer:

29%

Explanation:

Different people migrate to New England during the revolution era. Most of the people are from different regions, religions, races, and ethnic groups. This is because there was easy access for people to move to New England for work and other purposes. The number of English that moved to the place is approximately 29%.

What number of fe atoms and what amount (moles) of fe atoms are in 500.0 g of iron?

Answers

There are approximately 8.958 moles of iron atoms in 500.0 g of iron, and this corresponds to about [tex]5.393 \times 10^{24}[/tex] iron atoms.

How to determine how many moles of Fe atoms?

Calculate the moles using the formula:

[tex]\text{Moles} = \frac{\text{Mass}}{\text{Molar Mass}}[/tex]

Substitute the values:

Moles = [tex]\frac{500.0 \, \text{g}}{55.845 \, \text{g/mol}}[/tex]

Moles ≈ 8.958 mol

So, there are approximately 8.958 moles of iron atoms in 500.0 g of iron.

To find the number of iron atoms, use Avogadro's number, [tex]\(6.022 \times 10^{23}\)[/tex] atoms/mol:

Number of atoms = Moles * Avogadro's number

Number of atoms = [tex]8.958 \, \text{mol} \times (6.022 \times 10^{23} \, \text{atoms/mol})[/tex]

Number of atoms ≈ 5.393 [tex]\times 10^{24}[/tex]

Therefore, there are approximately 5.393 [tex]\times 10^{24}[/tex] iron atoms in 500.0 g of iron.

which of the following combinations of data types is not possible

Answers

The combinations of data types that is not possible is continuous and categorical

What is continuous and categorical data?

Continuous data, like weight, height, or temperature, is frequently measured on a continuous scale and can have any value within a specified range. Contrarily, discrete values that belong to certain categories or groups such as gender, ethnicity, or product types make up categorical data. Continuous data is made up of values that fall anywhere in a given range of numbers. Examples of continuous data include temperature, time, and individual height. These are measurable values that can be found among a range of potential values.

Groups or categories are represented by categorical data, sometimes referred to as qualitative data. There isn't a numerical value attached to it. Examples of categorical data are car type, gender, and educational background.

complete question;

Which of the following combinations of data types is not possible?

- discrete and categorical

- continuous and categorical

- discrete and numeric

- continuous and numeric

- all combinations of data types are possible

Select the items below that describe nonrenewable resources.

limited
last forever
includes air and trees
can be fossil fuels, minerals, or metals

Answers

The correct answers are:

- limited;

- can be fossil fuels, minerals, or metals;

The nonrenewable resources are still the ones that are used the most globally, and that is by far. The usage of these resources may be economically beneficial for the time being, but it brings in a lot consequences on the long term.

First thing's first, these resources are limited, so eventually they will end, and if a proper solution is not found and exploited by that time, the economies will crumble. They are big polluters, to the air, water, soil, and their usage results in the destruction of the environment, as well as the increasing of the greenhouse effect.

There are 48 cows and 10 chickens. How many didn't?

Answers

Insufficient information.

In a pinch, a pile of bricks or water pipes can be used in place of jack stands when using hydraulic jacks true or false?

Answers

A pile of bricks can be used in place of jack stands because they will stack neatly against each other, making a solid base to hold up what the jack stands were intended for.. Water pipes are not recommended because they are round and when stacked together, or singly for that matter, would roll. Water pipes would NOT be a steady base. A pile of bricks is acceptable; water pipes are not.

Answer:

The answer is false

Explanation:

True or false: refusing to submit to a sobriety test is your right by law.

Answers

true....a person has the right by law to refuse a sobriety test.

In chapter 6 and 7 which vices are considered useful and advisable? Why does Machiavelli recommend them?

Answers

Machiavelli recommends that leaders and princes must hold on to some of their vices in order to make the most informed and effective decision. These vices, such as the desire to be feared as is a common theme, can have its benefits to a certain extent, until even this becomes detrimental.

According to Galileo, why does a sled gliding along an icy surface eventually stop?

Answers

The sled will stop because of friction between the ground and the sled
over time the sled will decelerate due to to no active force pushing the sled, also with friction providing resistance to the motion of the sled

A fulfilling career will have work schedule that does not require consistent ____ work

Answers

A fulfilling career will have work schedule that does not require consistent OVERTIME work.

Answer: overtime

Explanation:  A fulfilling career will have a work schedule that leaves the student time to relax and do other things he needs, like working, playing with his/her band, doing sports, or things like that.

So a fulfilling career will nor require consistent overtime work (sometimes the overtime work may be a good aspect, but the consistency of it is what generates some problems)

The complete sentence is:

"A fulfilling career will have work schedule that does not require consistent overtime work"

which rapper has an ice cream cone on his face

Answers

Gucci Mane is the correct answer

Gucci mane the man the myth the legend straight from Atalanta one of the first rappers to go main stream from there

within a major, students can choose to study a specific area. this is called a... ?

A. elective
B. specialization
C. general study
D. minor

Answers

I think the answer would be specialization?

Within a major, students can choose to study a specific area. This is called a specialization. Thus, option B is correct.

What is specialization?

Specialization is defined as the process of focusing resources (labor, capital, and land) on producing a small variety of goods. Because not everyone must farm, an excess of food leads to employment specialization. As a result, some people are able to pursue other interests, like metalworking.

People who can devote time to their crafts become skilled at them and make a living from them, which leads to the development of new technologies. Because some individuals were able to opt out of food production due to the surplus food production produced by other communities, specialized professions and related classes began to emerge.

Therefore, Within a major, students can choose to study a specific area. This is called a specialization. Thus, option B is correct.

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A process where manufacturers pull defective products from the market is known as which of the following?
Reprocessing

Recall

Product Liability

Standard of Care

Answers

The answer would be a "recall".

A product recall is the process of retrieving defective goods from consumers and providing those consumers with compensation.

The correct answer is B. Recall.

Explanation

In marketing, "recall" is a term used to designate a withdrawal procedure, used when health or safety institutions receive complaints made against the products of a company or when an error is discovered in any of the stages of preparation and distribution of the product. Due to this, companies ask distributors or individuals to return the product affected before this can lead to major negative consequences. For this, the information collected by the system's company is very important to locate defective products to collect them and later replace them. So, the correct answer is B. Recall

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