What is the least dense layer of the earth

Answers

Answer 1
Answer: The least dense layer of the earth is the crust.
Answer 2
Answer: The least dense layer of Earth is the topsoil, which is in the crust.
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Related Questions

Which statements about the formation of the solar system are true and in a correct order? A. A black hole collapsed to form the sun; small planetary objects formed; small planetary objects collided with each other to form larger objects. B. Most of the dust and gas contracted into a central mass—the Sun; half the mass of the cloud condensed to form Jupiter; asteroids and comets crashed into the sun to form the smaller planets. C. A spinning cloud of dust began to compress to form the sun; small planetary objects formed; hydrogen and helium became concentrated in the outer solar system to form the outer planets. D. Gravitational force held the newly formed planets around the sun; small planetary objects formed; hydrogen and helium became concentrated in the outer solar system to form the outer planets.
The two subspecialty of astronomy are
1)What is not true of a scientific law?A) It must be verified by scientists around the world. B) It attempts to explain why things happen. C) It describes what happens in the world around us. D) It must be supported by many independent scientific investigations. 2)Observation and experimentation have led many scientists to accept a theory about the origin of the universe. This theory is called the Big Bang Theory. Scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. What makes this a scientific theory? A)It has been proven by several scientists independently, resulting in its being accepted as truth. B)It is based on the beliefs and opinions of the majority of the scientific community. C)It is an observation of the natural world that has been proven as fact. D)It is the best explanation that scientists can offer, based on many scientific investigations. 3)A scientist in Italy published his findings from a scientific investigation that he conducted. Other scientists from around the world conducted similar investigations to test the results. All of the investigations result in similar findings. What does this say about the findings of these investigations? A)They have been proven to be scientific fact because all the investigations gave similar findings. B)The findings are automatically promoted to a law because they were proven by so many scientists. C)They are ready to be published in the media and in text books as a new scientific theory. D)The results are considered more reliable because they were documented by separate investigations. 4)Which of the following is not an example of kinetic energy? A)mechanical energy B)nuclear energy C)electrical energy D)thermal energy
A transmutation reaction must always involve a(n) ____.a. change in the number of electrons in the atom b. decrease in the number of neutrons in the nucleus of an atom c. increase in the number of neutrons in the nucleus of an atom d. change in the number of protons in a nucleus of an atom
What is the correct name for SiCl5?

Several steps are involved in the industrial production of sulfuric acid. One step involves the oxidation of sulfur dioxide gas to form sulfur trioxide gas. A catalyst is used to increase the rate of production of sulfur trioxide gas. In a rigid cylinder with a movable piston, this reaction reaches equilibrium, as represented by the equation below.2SO2(g) + O2(g) <==> 2SO3(g) + 392 kJ
Explain, in terms of collision theory, why increasing the pressure of the gases in the cylinder increases the rate of the forward reaction.
Determine the amount of heat released by the production of 1.0 mole of SO3(g).
State, in terms of the concentration of SO3(g) , what occurs when more O2(g) is added to the reaction at equilibrium.

Answers

Increasing the pressure will mean that these particles will collide more frequently to yield the products hence driving the forward reaction.

What is the collision theory?

According to the collsion theory, reaction occurs as a result of collision between reactants in a system. Now we have the reaction; 2SO2(g) + O2(g) <==> 2SO3(g) + 392 kJ.

We can see that there are more particles on the left hand side than on the right hand side. Increasing the pressure will mean that these particles will collide more frequently to yield the products hence driving the forward reaction.

Now;

2 moles of SO3(g) produces 392 kJ of heat

1 mole of SO3(g) produces 1 mole * 392 kJ /2 moles

= 196 kJ

Learn more about collision theory: brainly.com/question/867804

Increasing the pressure of the gas increases the intermolecuar forces of attraction between the molecules because the distance between the molecules are being reduced by the action of the piston. 

What is the phase of matter that has no fixed volume and no fixed shape? Solid

Gas

Liquid

Frozen

Answers

Gases have no fixed volume or shape
 - Solid have both a fixed volume n shape
 - Liquids have a fix volume but not a fixed shape
 

How many significant figures are in 340500

Answers

Answer:

Five significant figures

Explanation:

You have to change the number to standard form

340500 = 3.405×10**5

** means raise to power

10**5

Where five represents the number of significant figures.

Answer:

4!

Explanation:

the titration of 80.0 ml of an unknown concentration phophorice acid solution requires 252 ml of 0.218 m potassium hydroxide solution. what is the concentration of the phosphoric acid solution (in mi?

Answers

The concentration of the phosphoric acid solution required for the titration of 252 ml of 0.218 M potassium hydroxide solution is 0.2289 M.

To determine the concentration of the phosphoric acid solution, we can use the titration equation:

mole of acid = moles of base

Phosphoric acid (H3PO₄) reacts with potassium hydroxide (KOH) in a 1:3 ratio:

H₃PO₄ + 3KOH → 3H2O + K₃PO₄

Now, we can calculate the moles of KOH using its volume and concentration:

moles_KOH = volume_KOH × concentration_KOH
moles_KOH = 0.252 L × 0.218 M
moles_KOH = 0.054936 mol

Since H3PO4 reacts with 3 moles of KOH:

moles of H₃PO₄ = moles KOH / 3
moles of H₃PO₄ = 0.054936 mol / 3
moles of H₃PO₄ = 0.018312 mol

Now, we can determine the concentration of H3PO₄:

concentration of H₃PO₄ = moles_H3PO4 / volume_H₃PO₄
concentration of H₃PO₄ = 0.018312 mol / 0.080 L
concentration of H₃PO₄ = 0.2289 M

So, the concentration of the phosphoric acid solution is approximately 0.2289 M.

Learn more about the titration : brainly.com/question/186765

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The gradual changes in radioactive elements enable archaeologists to use carbon-dating techniques to understand the past. Carbon-dating techniques rely heavily on what scientific discipline?

Answers

Answer:

Carbon-dating techniques rely heavily on Chemistry

Explanation:

Carbon dating or the chemistry of carbon-dating involves the comparison of naturally occurring isotopes of carbon having the same number of proton with different numbers of neutron in their nucleus involving beta (β) radiation.

Are all metals acidic in nature and all non-metals basic? and what is the nature of their oxides?

Answers

no mercury is in liquid form