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Scilla [17]
3 years ago
9

1) What happened around 10,000 years ago that changed the way many humans live?

Chemistry
2 answers:
ziro4ka [17]3 years ago
6 0

Answer:

c

Explanation:

hope everything is good!!

love history [14]3 years ago
3 0
The answer is C

Hope it helps ;)
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WILL GIVE BRAINLIEST ANSWER ASAP!!
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Morphology

Explanation:

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Morphology deals with the study of the form and structure of organisms, plants and their components.

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4 0
3 years ago
Calculate the pH of a solution in which [OH–] = 4.5 × 10–9M.
posledela

Answer:

5.65 is the pH.

Explanation:

I am assuming that you are asking for confirmation on your answer. The answer is 5.65.

You would do:

[pOH] = -log[OH-]

          = -log[4.5*10^-9]

         equals about 8.3468

To find pH your would subtract the pOH from 14.

14-8.3468 = 5.65 << Rounded to match the answer choices.

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How many CH4 molecules are in 14.8 g of CH4
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What is the theory that can explain the model of Pangaea?
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The bones of the same animal found out continents far away from each other
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