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Sonja [21]
3 years ago
8

A race is 50 m, and it takes an athlete 15s to run it. True or false?

Chemistry
1 answer:
vredina [299]3 years ago
4 0

true because the average time for a 50 meter dash for men is 7.57 seconds, however he would be late sadly

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Which statement best describes a difference between electromagnetic waves
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Answer:

C

Explanation:

electronic waves transmits energy but mechanical waves require a medium in order to transport their energy from bgg one place to another.

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2 years ago
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Why is coke sprinkled on the top of electrolyte in the bayer's process?​
Vesnalui [34]

Powdered coke prevent the heat loss. As a result, it prevents burning of carbon electrodes.

4 0
1 year ago
A mixture of three noble gases has a total pressure of 1.25 atm. The individual pressures exerted by neon and argon are 0.68
FinnZ [79.3K]

First of all, as you seen the gases are noble which means that will not react with each other and in this case each gas create individual pressure.  

P_{T}= total pressure  

P_{Ne} = pressure of neon  

P_{Ar} = pressure of argon  

P_{He} = pressure of helium {which is required}

P_{T} = P_{Ne} + P_{Ar} + P_{He}    

1.25 = 0.68 + 0.35 +  P_{He}

P_{He}   = 1.25  - [0.68 + 0.35] = 0.22 atm

4 0
3 years ago
Why does the melting of the polar ice caps facilitate the absorption of CO2 by ocean waters?​
Korvikt [17]

hi brainly user! ૮₍ ˃ ⤙ ˂ ₎ა

⊱┈────────────────────────⊰

Answer:

The melting of the caps increases the concentration of CO2 in the water, making its absorption faster.

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Explanation:

<h2><u>CO2 absorption</u><u> </u></h2>

The polar caps of our planet have in their composition several elements, among them the CO2 that is absorbed by the atmosphere. Cold waters, which are present in the Arctic, have an easier time absorbing CO2 compared to other waters.

When glaciers melt, the CO2 that is present in the mixture is dissolved in the ocean, increasing its concentration. The cold waters that came from the ice caps increase the absorption of CO2.

Learn more about natural methods remove CO2 from the atmosphere in:

brainly.com/question/14323197

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1 year ago
PLEASE HELP ASAP! BRAINLIEST WILL BE GIVEN PLEASE HELP!
inessss [21]

I think it is D I'm not positive

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3 years ago
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