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DaniilM [7]
3 years ago
14

Which material is primarily a mixture of weathered rock and organic matter?

Chemistry
1 answer:
kumpel [21]3 years ago
3 0
2)soil it's soil because soil is made out of <span>weathered rock and organic matter</span>
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A cell is placed in a salt solution that has the same concentration as the inside of the cell. What will happen to the cell?
nata0808 [166]

Answer:

d

Explanation:

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3 years ago
I was born in ……… west.<br><br>complete this sentense with article​
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Answer:

Article is

I was born in <em><u>t</u></em><em><u>h</u></em><em><u>e</u></em><em><u> </u></em> west .

4 0
2 years ago
State two molecular characteristics of substances that typically form liquid crystals. How is each related to function?
ZanzabumX [31]

The two molecular characteristics of substances that typically form liquid cyrstals and there phases are  long, cylindrical shape and between molecules & strong intermolecular forces exist

All these enables different application of liquid crystals

To know  more about liquid crystals here

brainly.com/question/24378459

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7 0
1 year ago
Which layer of the atmosphere contains a substance that was created from a product of living things and that protects living thi
aev [14]
<h2>Answer : Option B) Ozone</h2><h3>Explanation :</h3>

The layer of atmosphere which contains a substance(Ozone) that was created from a product of living thins (oxygen) and protects living things (from harmful UV rays).

Oxygen in the atmosphere reacts in presence of UV rays and forms Ozone.

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8 0
3 years ago
Read 2 more answers
Classify each of these reactions. Ba(ClO3)2 → BaCl2 3 O2 double replacement combination single replacement decomposition CaO CO2
faltersainse [42]

Answer:

Ba(ClO₃)₂ → BaCl₂ +  3 O₂ <em>Descomposition. </em>

CaO + CO₂ → CaCO₃ <em>Combination. </em>

NaNO₂ +  HCl → NaCl + HNO₂ <em>Double replacement. </em>

Mg + ZnSO₄ → MgSO₄ + Zn <em>Single replacement. </em>

Explanation:

A combination reaction is defined as a reaction in which two or more substances combine to form a single new substance.

A + B → AB

A descomposition reaction is defined as a reaction in which a compound breaks down into two or more simpler substances.

AB → A + B

A double replacement is a chemical reaction were the positive and negative ions of two ionic compounds exchange places to form two new compounds.

AB + CD → AD + CB

A single replacement is another type of reaction were one element replaces a similar element in a compound.

A + BC → AC + B

Thus, with this information it is possible to classify these reactions as:

Ba(ClO₃)₂ → BaCl₂ +  3 O₂ <em>Descomposition. </em>One single molecule breaks down into two or more molecules

CaO + CO₂ → CaCO₃ <em>Combination. </em>Two substances are combined to form one single molecule

NaNO₂ +  HCl → NaCl + HNO₂ <em>Double replacement. </em>Na and H are exchange places to form two new compounds

Mg + ZnSO₄ → MgSO₄ + Zn <em>Single replacement. </em>Mg is replacing Zn.

I hope it helps!

6 0
3 years ago
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