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slava [35]
3 years ago
7

When two continental plates diverge, there is a valley in between these two plates that forms as the continental crust widens. W

hat geological event is
a result of this interaction?

A) Hurricanes

B) Volcanoes

C) Tsunamis

D) Earthquakes
Chemistry
2 answers:
irina1246 [14]3 years ago
8 0

Answer:

B. Volcanoes

Explanation:

B. Volcanoes

nlexa [21]3 years ago
7 0

Answer:

B:Volcanoes

Explanation:

because valley rift develops

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The chemical reaction shown above takes place in a closed system. What is true about the system while the reaction occurs? A. Th
Ede4ka [16]

<u>Answer:</u> In a chemical reaction, the total mass of the particles in the system stays the same

<u>Explanation:</u>

Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.  

This also means that total mass on the reactant side must be equal to the total mass on the product side in a chemical reaction.

Every balanced chemical reaction follows law of conservation of mass.

<u>For Example:</u> Formation of water molecule

2H_2+O_2\rightarrow 2H_2O

Total mass on reactant side = [2(2\times 1)+(2\times 16)]=36g/mol

Total mass on product side = [2((2\times 1)+16)]=36g/mol

Hence, in a chemical reaction, the total mass of the particles in the system stays the same

5 0
3 years ago
In atoms, electrons surround the nucleus in?
Charra [1.4K]

either the answer is  B or D

4 0
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What can scientists learn from index fossils?
olga2289 [7]

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dating and correlating the strata in which it is found

Explanation:

3 0
2 years ago
chemistry A basketball is inflated to a pressure of 1.10 atm in a 28.0°C garage. What is the pressure of the basketball outside
butalik [34]

Answer : The final pressure of the basketball is, 0.990 atm

Explanation :

Gay-Lussac's Law : It is defined as the pressure of the gas is directly proportional to the temperature of the gas at constant volume and number of moles.

P\propto T

or,

\frac{P_1}{P_2}=\frac{T_1}{T_2}

where,

P_1 = initial pressure = 1.10 atm

P_2 = final pressure = ?

T_1 = initial temperature = 28.0^oC=273+28.0=301.0K

T_2 = initial temperature = -2.00^oC=273+(-2.00)=271.0K

Now put all the given values in the above equation, we get:

\frac{1.10atm}{P_2}=\frac{301.0K}{271.0K}

P_2=0.990atm

Thus, the final pressure of the basketball is, 0.990 atm

7 0
3 years ago
Please help!!! ASAP
bekas [8.4K]

Na 2Co3

1*23=23. 2*12=24. 6*16=96

23+24+96=143

(23*100)/143. (24*100)/143. (96*100)/143

=16%. =16.7%. =67.1%

5 0
3 years ago
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