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malfutka [58]
3 years ago
13

In supersonic flights, molecules break apart and react chemically. Which of

Chemistry
2 answers:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

thats a heat shield boss.. thank me later

Explanation:

im a g

JupiterJ
2 years ago
thanks g
Lina20 [59]3 years ago
3 0
A or D I think...sorry if it’s wrong
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The average kinetic energy of water molecules is greatest in which of these samples?(1) 10 g of water at 35°C(2) 10 g of water a
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The question asks about the average kinetic energy so it is not related with mass. We only need to compare the temperature. The higher temperature is, the higher kinetic energy is. So the answer is (2).
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3 years ago
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Radon-222 is a radioactive gas with a half-life of 3.82 days. How long would it take for fifteen-sixteenths of a sample of radon
Fittoniya [83]
Use the formula in terms of half life from the normal exponential functions 
<span>
N(t) = N(0) (1/2) ^ (t/thalf) </span>
<span>
N(0) is the original quantity </span>
<span>
N(t) = quantity remaining at time t </span>
<span>
t is the time </span>
<span>

thalf is half life </span>
<span>
1/16 = (1/2)^(t/3.82) </span>
<span>
16 = 2^(t/3.82) </span>
<span>
4 = t/3.82 </span>
<span>
t = 15.28 days

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3 years ago
The image shows sedimentary rock layers with index fossils and a fault.
GrogVix [38]

Answer:

Layer 2 and layer 9 is the same relative age since it is the same type of rock and has the same fossils.

Hope this helped!

4 0
3 years ago
Question 2 (1 point)
Vikki [24]

Answer:D

Explanation:

Jus did this question & got it right

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Read the two statements given below. Statement 1: All living matter at the smallest level is made of cells Statement 2: New anim
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Answer:

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Explamation:

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