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aliya0001 [1]
3 years ago
13

Farming is one example of a human activity that has changed the environment. Which is the NOT a reason farming has hurt the envi

ronment? Question 11 options:
It uses large amounts of fresh water

It destroys habitats of many species

It increased the availability of food for humans

It contributes to soil erosion and desert formation
Chemistry
1 answer:
Levart [38]3 years ago
6 0
It increases availability of food for humans
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Define and explain auto-ionization of water??? Explain please??
icang [17]

Answer:

Hey there!

Auto-ionization of water is an ionization reaction in pure water or in another aqueous solution, in which a water molecule, H2O, loses the nucleus of one of its hydrogen atoms to become a hydroxide ion, OH−.

Let me know if this helps :)

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3 years ago
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10. For each of the following pairs of ionic compounds, state which would be expected to have the higher (more negative) lattice
zaharov [31]

Answer:

C I belive

Explanation:

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2 years ago
7m-11=10 como se acomoda pls ayuda​
Reptile [31]

Answer:

3

Explanation:

7m-11=10

quitar 11 de ambos lados

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3 years ago
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A filament of a light bulb is made from a pure sample of tungsten.
GenaCL600 [577]

Answer:

The correct options are:

1) Pure chemical substance

2) Element.

Explanation:

each of the term is explained below:

1) <u>Mixture: </u> Since tungsten is an element in periodic table thus it is not a mixture.

2) False by definition of mixture.

3) false by definition of mixture.

4) <u>Solution:</u> Tungsten in a filament is in solid form hence solution is incorrect.

5) Since it is given in the question itself that the sample is pure hence option 'E' is correct as chemical substance is a pure substance that has a homogeneous composition and the sample in the question is given as pure.

6) <u>Compound:</u> By definition of compound it is formed by mixing 2 or more elements but since tungsten is an element that occurs independently in nature hence it is not a compound.

7) Tungsten is a element in the periodic table with atomic number 74.

8 0
3 years ago
Bacteria cells are different from plant and animal cells because they don't have what???!
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Plants and animals are multi-cellular organisms composed of eukaryotic cells, while bacteria are single-cell prokaryotic organisms. Each eukaryotic cell of a plant or animal includes a central nucleus containing DNA and membrane-bound organelles, such as endoplasmic reticulum and mitochondria. A bacterial cell has no nucleus or membrane-bound organelles.

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