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suter [353]
3 years ago
6

What is the definition of an independent and dependent variable?

Chemistry
1 answer:
sladkih [1.3K]3 years ago
3 0

Answer:

The Independent variable is the variable which does not rely of the other variables. It stays the same.

The Dependent variable is the variable that is measured or changed.

Explanation:

The Independent variable is usually the x value of a table or graph

the Dependent variable is usually the y value of a table or graph

I hope this helps!

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8. Which of the following have bacteria in their root nodules that fix nitrogen?
Natalka [10]

Answer:

Option A

Explanation:

Leguminous plants like pulses etc. have root nodules comprising of rhizobacterium which live in a symbiotic relationship with the roots of the plant and in turn fix the nitrogen in the soil in the roots of the leguminous plants.

Hence, option A is correct

8 0
2 years ago
The technetium-99 nuclide radioactively decays by beta emission. write a balanced nuclear chemical equation that describes this
nekit [7.7K]
Tc-99m<span> is a </span>metastable  isomer<span> of </span>Tc-99. It finds widespread applications in <span>medical diagnostic procedures.
</span>
Tc-99 is also a radioactive element. It's half-life is 2,11,000 years. Upon radioactive decay, it emits beta particles and gets converted into stable compound Ruthenium-99

This process of radioactive decay is shown below.
99 43Tc    →       99 44Ru     +     0 -1e
                            (stable)           (β particle)
7 0
3 years ago
In a titration, a few drops of an indicator are added to a flask containing 35.0 milliliters of HNO3(aq) of unknown concentratio
sasho [114]

Answer:

NaOH(aq) + HNO3(aq)------>NaNO3(aq) + H2O(l)

Explanation:

A thing to note is that an acid and a base will react to form a metal salt + H2O.

~Hope it helps:).

5 0
2 years ago
How to balance the equation Mg2+HO2=Cu3O+H2<br><br>​
Mariulka [41]
I think the answer is 2Mg + H2O4 = Cu12O4 + 2H

I’m really not sure though so it might be wrong… I’m not the best at balancing equations lol
6 0
2 years ago
Is a mushroom a heterotroph or autotroph
nadezda [96]

Answer:

A mushroom is a heterotroph.

Explanation:

Mushrooms are fungi, which are heterotrophs because they depend on other organisms for their food.

5 0
3 years ago
Read 2 more answers
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