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3 years ago

How are the movement of tectonic plates and volcanoes related ?

Chemistry

2 answers:

olganol [36]3 years ago

5 0

Answer:

Subduction occurs when an oceanic plate is pushed beneath a continental plate or another oceanic plate. As the plate descends, seismic activity takes place. The plate heats up during its descent, causing magma to form and rise toward the surface. As magma rises, volcanoes erupt.

ivann1987 [24]3 years ago

4 0

The earth’s plates sliding against each other and moving under each other causes earthquakes. When plates move apart, magma comes up, thus forming a volcano.

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Explain why the air inside of the balloon has more pressure than the air outside.

julia-pushkina [17]

Answer:

its more condensed

Explanation:

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3 years ago

Please refer to image please

GarryVolchara [31]

Answer:

76.9L

Explanation:

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2 years ago

Thorium-234 has a half-life of 24.1 days. How many grams of a 150 g sample would you have after 120.5 days?

chubhunter [2.5K]

Answer:

8.625 grams of a 150 g sample of Thorium-234 would be left after 120.5 days

Explanation:

The nuclear half life represents the time taken for the initial amount of sample to reduce into half of its mass.

We have given that the half life of thorium-234 is 24.1 days. Then it takes 24.1 days for a Thorium-234 sample to reduced to half of its initial amount.

Initial amount of Thorium-234 available as per the question is 150 grams

So now we start with 150 grams of Thorium-234

$150 \times \frac{1}{2}=24.1$

$75 \times \frac{1}{2} =48.2$

$34.5 \times \frac{1}{2} =72.3$

$17.25 \times \frac{1}{2} =96.4$

$8.625\times \frac{1}{2} =120.5$

So after 120.5 days the amount of sample that remains is 8.625g

In simpler way , we can use the below formula to find the sample left

$A=A_{0} \cdot \frac{1}{2^{n}}$

Where

$A_0$ is the initial sample amount

n = the number of half-lives that pass in a given period of time.

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3 years ago

A certain water tower hold 4.6×10^5 gallons of water. find the volume of that water in liters.

Readme [11.4K]

Answer: 1741289L

Explanation:

1 gallon = 3.78541 L

4.6×10^5 gallons = 4.6×10^5 x 3.78541 = 1741289L

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3 years ago

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saul85 [17]

Answer:

Explanation:

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3 years ago