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3 years ago

12

Please help asap!! I will mark you as brainliest :)

1 answer:

Svet_ta [14]3 years ago

3 0

Answer:

The style of eruption depends on a number of factors, including the magma chemistry and content, temperature, viscosity (how runny the magma is), volume and how much water and gas is in it, the presence of groundwater, and the plumbing of the volcano.

Explanation: SO I believe your answer would be the third one. I am not 100% sure tho

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In what ways did european powers gain wealth from their colonies in Southeast Asia

ololo11 [35]

Answer:

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Explanation:

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3 years ago

Which process of sedimentary rock formation occurs last?

Anettt [7]

Erosion, because after the sedimentary rock erodes it will then be deposited as in the form of pebbles or debris, from there it will undergo the process of compaction and cementation only to be eroded again.

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4 years ago

Delay What is the required mass ratio to achieve an exhaust velocity of 2.455 km/s with a specific impulse of 294 seconds? Choos

zimovet [89]

Answer:

$\frac{mo}{mi} = 2.34$

Explanation:

Given data:

exhaust velocity = 2.455 km/s

specific impulse = 294 second

$\Delta V = Ve ln\frac{mo}{mi}$

$\Delta v = velocity$

Ve = effective exhaust velocity

$Ve = Isp\time s g_0$

Isp specific impulse

g_o = standard gravity

$vE = 294 \times 9.8 = 2881.2 m$

from above equation we have

$\frac{mo}{mi} = e^{\frac{\Delta v}{Ve} [tex]\frac{mo}{mi} = e^{\frac{2455}{2881.2}$ [ 2.455 km/s = 2455 m/s]

$\frac{mo}{mi} = 2.34$

7 0

3 years ago

Question 1 If the energy returned from a resource is 20 MW and the energy invested for the same is 5 MW, the EROI of the process

lawyer [7]

Answer:

4

Explanation:

The formula for calculation of EROI is :

$EROI=\frac {\text{Energy delivered}}{\text{Energy required to deliver energy}}$

Thus,

Energy returned = 20 MW

Energy invested = 5 MW

So,

$EROI=\frac {\text{Energy delivered}}{\text{Energy required to deliver energy}}=\frac {20\ MW}{5\ MW}=4$

<u>The EROI of the process will be 4.</u>

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3 years ago

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3 years ago