when was the first atom discovered?

Answer:

Papermaking

Explanation:

Paper was invented in China during the 3rd century B.C., and its use spread via the Silk Road, arriving first in Samarkand in around 700 A.D., before moving to Europe through the then-Islamic ports of Sicily and Spain

Answer:

I think the bake sale would be better because, if one we're to do a car wash they may not know how to wash a car and selling baked goods is WAY easier than a car wash. A car wash can be bad depending on the weather and the bake sale. So I would chose the bake sale, it's easier, faster and much more.

Explanation:

want a short speech?

Answer:

Friends: What should we do to raise money? A bake sale will help us raise money for the local food bank because bake sales can attract people from outside the school community. The neighboring town was able to raise over $5,000 at their bake sale. Although the car wash is a good idea, people are more interested in buying homemade food. I strongly urge you to vote for the bake sale.

Explanation:

Answer: B

Explanation: Strontium lies in alkaline group so the valency is +2 and has 2 electrons in its valence shell. ... Therefore, electrons are transferred from chlorine to strontium. So ionic bond is formed.

Answer:

D. Population

Explanation:

Hope this helps lol.

The complete set of cases from which samples may be drawn is called as population. Thus option D is correct.

A population can be defined as complete group of individuals which  comprises a nation or a group of individuals having common characteristic features.

It is a pool of  individuals from which the statistical sample is drawn for a study purpose, so the election of individuals grouped by a common feature which can be called as population.

For, a statistical analysis of a sample of a population must report a standard deviation, or standard error,  so that the results from the entire population can be determined properly.

Thus option D is correct.

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Answer:

False because new authors are always added and things can change on all sites. it's also just a good habit to create.

Explanation:

Answer:

false

Explanation:

edge 2020

Answer: Confidence?

Explanation:

Answer:

Ecosystems with more species diversity are more likely to recover after a disturbance than ecosystems with low species diversity.

Explanation: Smaller populations are less likely to go extinct than larger populations, so the species diversity will remain constant.

Answer:

não há nada aqui!!!!!

Explanation:

Answer/Explanation:

[tex] 12^2 = 16*x [/tex] (altitude to hypotenuse theorem)

Solve for x using this equation

[tex] 144 = 16x [/tex]

[tex] \frac{144}{16} = x [/tex] (division property of equality)

[tex] 9 = x [/tex]

[tex] x = 9 [/tex]

[tex] y^2 = 12^2 + x^2 [/tex] (pythagorean theorem)

[tex] y^2 = 12^2 + 9^2 [/tex] (substitution)

[tex] y^2 = 144 + 81 [/tex]

[tex] y^2 = 225 [/tex]

[tex] \sqrt{y^2} = \sqrt{225} [/tex]

[tex] y = 15 [/tex]

[tex] z^2 = (x + 16)^2 - y^2 [/tex] (pythagorean theorem)

[tex] z^2 = (9 + 16)^2 + 15^2 [/tex] (substitution)

[tex] z^2 = 25^2 + 15^2 [/tex]

[tex] z^2 = 625 + 225 [/tex]

[tex] z^2 = 850 [/tex]

[tex] \sqrt{z^2} = \sqrt{850} [/tex]

[tex] z = \sqrt{25*34} [/tex]

[tex] z = 5\sqrt{34} [/tex]

gotcha :)

The purpose of listing my long term goals on paper is to have them on paper, to be able to refer back to them when I'm struggling. It's also helpful to be able to cross them out if I complete them, and mark my progress. It's best to keep me on track

hope this helps!

Answer:

Buddhism Beliefs

They instead focus on achieving enlightenment—a state of inner peace and wisdom. When followers reach this spiritual echelon, they're said to have experienced nirvana. ... The word Buddha means “enlightened.” The path to enlightenment is attained by utilizing morality, meditation and wisdom.

Explanation:

-google

Answer/Explanation:

% of each Nitrogen source = amount of Nitrogen from each source/total amount if Nitrogen × 100

% of Nitrogen from atmospheric deposition:

[tex] \frac{1,300}{7,400}*100 = \frac{130,000}{7,400} = 17.57 [/tex]

Approximately 18%

% of Nitrogen from household pet waste:

[tex] \frac{2,100}{7,400}*100 = \frac{210,000}{7,400} = 28.38 [/tex]

Approximately 28%

% of Nitrogen from residential fertilizer:

[tex] \frac{3,800}{7,400}*100 = \frac{380,000}{7,400} = 51.35 [/tex]

Approximately 51%

% of Nitrogen from weathering:

0%

% of Nitrogen from county compost:

[tex] \frac{200}{7,400}*100 = \frac{20,000}{7,400} = 2.70 [/tex]

Approximately 3%

The balanced chemical equation showing the reaction between dinitrogen pentoxide (N₂O₅) with water H₂O can be computed as follows:

[tex]\mathbf{N_2O_5 + H_2O \to 2HNO_3}[/tex]

From the given information, the amount of water H₂O is present in excess, as such dinitrogen pentoxide (N₂O₅) is regarded to be the limiting reagent.

However,

∴

1.93 moles of N₂O₅ will result in = (2 × 1.93) moles of HNO₃

= 3.86 moles of HNO₃

Therefore, we can conclude that the reaction between 1.93 moles of N₂O₅ with water will produce 3.86 moles of nitric acid HNO₃.

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Answer:

D.  II and III

Explanation:

Interrogative phrases are those that present a type of questioning, a type of question. In “Gettysburg Address,” Lincoln makes no question and for that reason, we can say that there are no interrogative phrases in the speech.

Almost every discourse contains declarative sentences that are phrases where the author finds a fact. Lincoln uses this type of phrase right at the beginning of the discreet, when he states that "87 years ago, our parents gave birth, on this continent, to a new Nation, conceived in Liberty and devoted to the principle that all men are born equal."

Lincoln also uses imperative phrases that are phrases used to express a request, an order or an instruction. It is possible to see these phrases at the very end of the speech when Lincoln says "It is up to us, the living, to dedicate ourselves today to the work unfinished up to this point so remarkably advanced by those who fought here."

Well, global economic growth and industrial productivity are both the driving force and the major consequences of globalization. They also have big environmental consequences as they contribute to the depletion of natural resources, deforestation and the destruction of ecosystems and loss of biodiversity.

Answer:

Globalization sure does come with a lot of consequences. Some of them are:

(1) Globalization restricts the growth of local industries (especially in the case of textiles & automobiles) as the imported goods are cheaper than the local goods.

(2) It causes poor work conditions for the workers as they have to work for longer periods of time with less wages.

(3) Globalization also affects the economy & the countries that export goods earn more or have MNCs in other places than countries that import goods.

Hope it helps ⚜

Answer: The reason why ocean tides rise is very simple. The moon has a gravitational pull on the Earth. This pull brings the oceans to a tide. Basically, the moon causes the pull. This can happen up to 6 times per day, in some rare cases, more.

Hope this helps you!

Answer:

♐

Sagittarius

Explanation:

Answer:

2/4

Explanation:

1/2 of the circle is less than what is shaded

Answer:

2/4

Explanation:

Answer:

"All of the above" would be the correct answer.

The truth about language is it is symbolic, and can be written, spoken, or signed, is capable of an infinite set of meaningful utterances. The correct option is 4, all of these.

Language is a way of communication. Each and every person use language to communicate with each other. There are different languages present in different areas. Language cane is symbolic, and it is used as part of life.

Languages are written and spoken and in before times, there were signs for different words. For the deaf, there is sign language, which used gestures and expressions. For blinds, there is a braille language, which they use. These are in the form of dots.  

Therefore, the correct option is d, All of these. It is symbolic. It can be written, spoken, or signed. It is capable of an infinite set of meaningful utterances.

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Answer:

1. People have a hard to learn from others.

2. Yes, it is very helpful because one can code while the other navigate

3. Getting help can increse the chance of not missing something important

4. Communicate with each other

The distance between these given points on a coordinate plane is equal to: B. √57

Given the following points:

Mathematically, the distance between points that are on a coordinate plane is calculated by using this formula:

Distance = √[(x₂ - x₁)² - (y₂ - y₁)²]

Substituting the given points into the formula, we have;

Distance = √[(4 - (-7))² - (3 - (-5))²]

Distance = √[(4 + 7)² - (3 + 5)²]

Distance = √[11² - 8²]

Distance = √[121 - 64]

Distance = √57

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Answer:

hi! can you pls add an image of the diagram, otherwise I cant help

Answer:

The period of rule under the Song dynasty was a time of great advancements and invention. Some of the most important inventions in the history of Ancient China were made during this time including moveable type, gunpowder, and the magnetic compass. The Song dynasty had the first standing navy in world history.