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geniusboy [140]
2 years ago
8

Each statement best explains why it is more difficult to use coal versus other alternate source of energy except:

Chemistry
1 answer:
likoan [24]2 years ago
8 0

Answer:

Coal produces more pollutants in the air.

Explanation:

Each other answer has the words 'more difficult' or 'not commonly used.   I think this is right...I won't see my grade for a long time though.... very, truly sorry if it is wrong! :)                                                                                          

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The radioactivity due to carbon-14 measured in a piece of a wooden casket from an ancient burial site was found to produce 20 co
bekas [8.4K]

Answer:

17202.6 years

Explanation:

Activity of the living sample (Ao) = 160 counts per minute

Activity of the wood sample (A) = 20 counts per minute

Half life of carbon-14 = 5730 years

t= age of the artifact

From;

0.693/t1/2= 2.303/t log Ao/A

Then;

0.693/ 5730= 2.303/t log Ao/A

Substituting values;

0.693/5730= 2.303/t log (160/20)

Then we obtain;

1.209×10^-4 = 2.0798/t

t= 2.0798/1.209×10^-4

Thus;

t= 17202.6 years

Therefore the artifact is 17202.6 years old.

3 0
3 years ago
Which of the following environmental risks is most likely to lead to digestive health issues?
algol13


Meat contamination because humans do not eat air or fertilizer so meat contamination is the only logical answer.


6 0
3 years ago
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Which of the following mixtures is not a colloid? gradpo!nt
Effectus [21]

Milk

Explanation:

because milk is very thick youknow here I go

6 0
2 years ago
2. What is one effect of convection currents in the mantle?
Rom4ik [11]

Answer:

D no. is the answer of your question

8 0
3 years ago
Although Rutherford is credited with the famous gold foil scattering experiment, he didn’t actually conduct this experiment hims
Dmitrij [34]
Although he did not do the experiment himself, he had come up with the idea of what to do and how to do it. I think that only Rutherford receiving credit is okay as the assistants did not do anything to contribute to the actual idea of the experiment.
For example, we credit the invention of the iPhone to Steve Jobs, the engineers of Apple, the designers, etc. - those with actual contributions to the invention and the ideas and not the Chinese factory workers - those who construct the iPhone itself. 
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3 years ago
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