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What have scienists determined forms and shapes land masses here on earth

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Scienists determined that PLATE TECTONICS form and shape land masses here on earth.

The movements of these plates cause earthquakes, as well as create volcanoes and form mountains.

There are three types of known plate tectonic boundaries. These are 1) convergent boundary (when two plates come together), 2) divergent boundary (when two plates move away from each other), and 3) transform plate boundary (when two plates slides past each other).

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Which statement describes the masses of the particles that make up an atom?

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Which statement describes the masses of the particles that make up an atom?

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In what way did the printing press contribute to the spread of the Renaissance movement? A. It challenged commonly held beliefs about writing, art, and architecture. B. It brought ideas to the masses that were previously restricted to the higher classes of society. C. Its movable type made Renaissance literature easier for the common person to read. D. Its carved wood letters made it easier to print the Latin text found in most Renaissance literature.

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The winds of revolution sweeping Egypt today aren’t the first that have ravaged that nation.

Most history textbooks open with a description of ancient Egypt as a towering civilization that, for more than a millennium, led mankind’s intellectual, political and cultural advancement. Each year, millions of visitors marvel at the pyramids jutting from Egypt’s dunes, at the mummified remains of the ancient pharaohs, and at Egypt’s mountains of other artifacts and relics—all testimony to the power the civilization once held.

But perhaps the most striking facet of Egyptian history is its precipitous fall.

Modern-day Egyptians, after all, are not descended from those ancient societies that constructed the Giza Pyramid Complex, the Great Sphinx, and other momentous structures. They have no connection to the early dynastic peoples that pioneered new frontiers in science, mathematics and art, and that once dominated the civilized world. Today’s Egypt is inhabited and ruled by Arabs; before that it was under British control; before that it was controlled by various Muslim peoples, including the Ottomans; before that it was the Romans; before that the Greeks; and before that the Persians.

Egypt has resurfaced intermittently in the past 2,500 years of world history,but always as the territory of a foreign nation or empire. What happened toancient Egypt—the unique and independent civilization established by the pharaohs, the nation that once reigned over mankind? That Egypt has clearly vanished.

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After scientists discovered electrons and protons, what led them to believe there was a third subatomic particle? A. Elements have molar masses that are numerically equal to their atomic mass. B. The mass of an atom’s nucleus is greater than the combined masses of an atom’s protons. C. The mass of an atom is greater than the combined masses of an atom’s protons and electrons. D. Elements have isotopes that have the same atomic number but different atomic mass numbers.

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The unknown of this problem is the experimental percent of water in the compound in order to remove the water of hydrogen, given the following:

Mass of crucible, cover and contents before heating                               23.54 g
Mass of empty crucible and cover                                                            18.82 g
Mass of crucible, cover, and contents after heating to constant mass     20.94 g

In order to get the answer, determine the following:

Mass of hydrated salt used                          = 23.54 g – 18.82 g = 4.72 g
Mass of dehydrated salt after heating          = 20.94 g – 18.82 g = 2.12 g
Mass of water liberated from salt                 = 4.72 g – 2.12 g = 2.60 g

Then solve the percent of water in the hydrated salt by:

% water = (mass of water / mass of hydrated salt) x 100
% water = 2.60 g / 4.72 g x 100
% water = 55.08 % in the compound 

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The Pangaea theory supports the theory of plate tectonics because _____. A) it is based on the idea that there were several land masses when Earth was first created B) it is based on the idea that all the present continents were one supercontinent C) it does not require scientists to support the notion that Earth’s plates can move D) one day, Earth will have one large land mass again

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Answer: The population of the burrowing owl may increase in its new surroundings.

Ecological niche is the role or function an organism performs in the ecosystem in order to survive. It describes how an organism obtain it’s food, type of habitat chosen for survival, season used and duration of mating, how it interacts with the other organisms and others.

In the given situation, the population of the burrowing owl may increase in its new surroundings is the least likely outcome of the habitat changes that are described. This is because of the fact that as with the construction of more cities the burrowing owl habitat will be destroyed. These owls will loose their habitat and their ecological niche will be drastically affected. All these consequences will result in the decline in the population of burrowing owl instead of increase in the new surroundings.  

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PLEASE HELP12. True or false:. 2 objects with different masses aremoving at the same velocity. The object with more masswill have more momentum.How many nodes?How many antinodes?14, What type of interference is about to occur in thispicture?

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The correct answer to the question is – oppose the flow of current through substances.

EXPLANATION:

From Ohm’s law, we know that current [ I ] flowing a wire is directly proportional to the potential difference [ V ] maintained across the two ends of the conductor at constant temperature and pressure.

Mathematically  V ∝ I .

                         ⇒ V = IR .

Here, R is the proportionality constant called resistance of the wire.

From above, we see that current flowing through a wire is inversely proportional to the resistance. It means that the current flow will be less with the increase of resistance of the wire.

Hence, resistance can be defined as the opposition to the flow of current in an electric wire.

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First, one to answer will be the Brainiest answer and I will give them all of my points!!! I have 49 Points whoever has the Best answer WINS!!!!The mass of the large adult rhinoceros is 5,000 kilograms. The mass of the small adult rhinoceros is 2,300 kilograms. What is the difference, in grams, between the masses of the larger and smaller rhinos? The first one with an intelligent answer I will give them the Brainiest answer!!

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The 1st diagram is incomplete, because it doesn’t show the possibility that with jeans, also Hiking boots could be selected & with the Khakis, sneakers

The 2nd is right since it’s showing all possibility, but the last diagram is “J” is incomplete
Problem 2:
Sample Space={H-R,H-B,H-G,H-Y, T-R,T-B,T-G,T-Y}
Problem 3:
The total number of choices to get one sandwich is:
Sandwich 2 Choices, 3 Sides & 3 beverages = 2x3x3= 18

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Divide 40 kg mass into 4 piece such that you can weigh from 1 to 40 kg from those 4 masses …?

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Posted in Physics

  I assume you mean an whole number weight from 1 to 40 kg. 

Answer: 
27 kg 
9 kg 
3 kg 
1 kg 

To weigh 1 kg, that’s obvious. 
To weigh 2 kg, put 3 kg on one side, 1 kg on the other. Put your object with the 1 kg weight and make it balance. 
To weigh 3 kg, that’s obvious 
To weigh 4 kg –> 3 kg + 1 kg 
To weigh 5 kg –> 9 kg on one side, 3 kg + 1 kg on the other 
To weigh 6 kg –> 9 kg vs. 3 kg. 
To weigh 7 kg –> 9+1 kg. vs. 3 kg. 
To weigh 8 kg –> 9 vs. 1 
9 –> 9 
10 –> 9 + 1 
11 –> 9 + 3 | 1 
12 –> 9 + 3 
13 –> 9 + 3 + 1 
14 –> 27 | 9 + 3 + 1 
15 –> 27 | 9 + 3 
etc. 

You should be able to follow the pattern all the way to 40 kg.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!


Related Questions

Posted in Physics

Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 2.00 times the mass of B, and the energy stored in the spring was 68 J. Assume that the spring has negligible mass and that all its stored energy is transferred to the particles. Once that transfer is complete, what are the kinetic energies of each particle?

I have a solution to the same problem here, however, with a slight change in the given such as: 2 times; 68 Joules. When examining this solution, I can assure you that you can now answer the problem on your own.

Using the conservation of momentum, 

0 = MaVa + MbVb 

where 

Ma = mass of particle A 

Va = final velocity of particle A 

Mb = mass of particle B 

Vb = final velocity of particle B 

Since Ma = 4(Mb), then the above formula becomes 

0 = 4(Mb)(Va) + Mb(Vb) 

Va = – (Vb/4) 

(KE)a = kinetic energy of particle A = (1/2)(Ma)(Va)^2 

(KE)b = kinetic energy of particle B = (1/2)(Mb)(Vb)^2 

Taking the ratio of the two kinetic energies, 

(KE)b/(KE)a = [(1/2)(Mb)(Vb)^2]/[(1/2)(Ma)(Va)^2] 

and since 

Ma = 4(Mb) 

and 

Va = -Vb/4 

then the above simplifies to 

(KE)b/(KE)a = [(Mb)(Vb)^2]/[(4Mb)(Vb/4)^2] 

(KE)b/(KE)a = 1/(4*1/16) = 4 

Therefore, 

(KE)b = 4(KE)a — call this Equation A 

Using the law of conservation of energy, 

58 = (KE)a + (KE)b 

and since (KE)b = 4(KE)a (from Equation A), the above simplifies to 

58 = (KE)a + 4(KE)a 

5(KE)a = 58 

(KE)a = 11.6 joules 

Hence, 

(KE)b = 4(11.6) = 46.4 joules 

ANSWER: 

Kinetic energy of particle A = 11.6 joules 

Kinetic energy of particle B = 46.4 joules 

Hope this helps.


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