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alina1380 [7]
3 years ago
11

1. Why does the Saint John River change direction?

Chemistry
1 answer:
Elis [28]3 years ago
3 0
The origin is what makes it change
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2. What is the relationship between mutation, natural selection and adaptation?
harkovskaia [24]

Answer:

Explanation:

Natural selection is where positive traits survive more, allowing those to become more common. Mutation is where radioactivity changes genes in a random way. Natural selection allows positive mutation to become more common. Adaptation is where natural selection works for a species specifically more a new habitat.

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I NEED HELP PLEASE ASAP!! :)<br><br> How many molecules are represented by 3CO2?
andriy [413]
9. 3 Carbon and 6 Oxygen
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What is the difference between a molecular formula and a molecular model?
icang [17]
There really isn't a difference if you think about it
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You can prepare a buffer solution by combining equal moles of which pair of substances?
zzz [600]

Answer:

A. weak acid and its conjugate base

Explanation:

A buffer solution can be made with a weak acid and conjugate base or a weak base and conjugate acid.

This may help you:

https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Acids_and_Bases/Buffers/Introduction_to_Buffers

8 0
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24. All elements found on the left side of the Periodic Table of
SashulF [63]

Answer:

Metals are located on the left side of the periodic table and are generally shiny, malleable, ductile, and good conductors.

Explanation:

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