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sashaice [31]
3 years ago
6

Which BEST describes the physical properties of the Earth's core?A)semi-moltenB)water and organic substancesC)a solid lower part

and a liquid upper partD)contains volcanic, sedimentary and granitic rocks
SAT
1 answer:
andrew11 [14]3 years ago
6 0

Answer: C) A solid lower part and a liquid upper part

Explanation:

The Earth's outer core is a fluid layer and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. Hopefully I'm right!

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The place where two plates meet
Oduvanchick [21]

Answer:

plate boundary

Explanation:

3 0
3 years ago
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What can be inferred from the excerpt? nonstandard forms of english can be as effective as the standard form of english. nonstan
olga_2 [115]

The statement 'nonstandard forms of English can be as effective as the standard form of English' can be extracted in the excerpt from "Mother Tongue".

<h3>What is a mother tongue?</h3>

A mother tongue refers to a special language spoken by society and adopted as its own by its habitants.

There are many countries around the world that adopted English as their mother tongue and expressions in such countries may be certainly effective.

Mother tongue makes also reference to the language which an individual speaks from his/her childhood.

Learn more about the “Mother Tongue” excerpt here:

brainly.com/question/10046495

4 0
2 years ago
A 100-n weight is hung at the middle of a 4-m long horizontal clothesline. If the middle of the clothesline sags by 1 m, what is
Elena L [17]

The tension on each segment of the clothesline is :  110 N

<u>Given data : </u>

mass of object = 100 n  = 10 kg

Horizontal distance of clothesline = 4 m

middle of clothesline sag s by : 1m

<h3 /><h3>Determine the tension on each segment of clothesline</h3>

<u>First step</u> : calculate the horizontal angle made by the sagging

β = arctan ( 1 m / 2m )  ----- ( 1 )

  = arctan ( 0.5 )

  ≈ 26.57°

Note : Tension in th y axis ( Ty ) = Tsinβ

Therefore :

Tension on each segment can be calculated using the formula below

2Tsinβ - mg = 0

solve for T

T = mg / 2sinβ

  = ( 10 * 9.8 ) / 2 * sin 26.57°

  = 98 / 0.89

  = 110 N

Hence we can conclude that the tension on each segment of the clothesline is : 110 N

Learn more about Tension calculations : brainly.com/question/24994188

7 0
2 years ago
What mass of glucose (C6H12O6) should be dissolved in 12. 0 kg of water to obtain a solution with a freezing point of -5. 8 ∘C?.
bogdanovich [222]

The mass of glucose solute dissolved in the solution is 6.739 Kg.

Recall that;

ΔT = K m i

ΔT = Freezing point depression

K =Freezing point depression constant = 1.86°C/mol

m = molality of the solution

i = Van't Hoff factor = 1 (molecular solution)

We have to find the freezing point depression from;

Freezing point depression = Freezing point of pure solvent - Freezing point of solution

Freezing point of pure water = 0°C

Freezing point of solution = -5. 8 ∘C

Freezing point depression = 0°C - (-5. 8 ∘C) = 5. 8 ∘C

Now;

m = ΔT/K i

m = 5. 8 ∘C/ 1.86°C/mol × 1

m = 3.12 m

But molality = number of moles of solute/mass of solvent in Kg

Molar mass of solute = 180 g/mol

Let the mass of solute be m

3.12 = m/180/12

3.12 = m/180 × 12

m = 3.12 × 180 × 12

m = 6739 g or 6.739 Kg

Learn more: brainly.com/question/6249935

8 0
2 years ago
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Discuss one factor that may determine the topics covered on different media platforms brainly
Hunter-Best [27]

The factor that may determine the topics covered on different media platforms  is Relevance of a specific news of interest.

<h3>What are media platforms?</h3>

Media platforms are known to be modern technologies and set ups that gives room for people such as writers or  “producers” and also readers so as to make use of the media  more efficiently.

Note that the issue of Relevance of the news is a factor that may determine the topics covered on different media platforms  as it ranges from what is currently going on in a specific place or the world at large that is of interest to the people.

Learn more about media platforms from

brainly.com/question/3653791

#SPJ1

5 0
2 years ago
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