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3 years ago

The independent variable has control and affects the

Chemistry

2 answers:

777dan777 [17]3 years ago

6 0

Answer:

An independent variable is the variable you have control over, what you can choose and manipulate. It is usually what you think will affect the dependent variable. In some cases, you may not be able to manipulate the independent variable. It may be something that is already there and is fixed, something you would like to evaluate with respect to how it affects something else, the dependent variable like color, kind, time.

Explanation:

if this didnt help just lemme know

Stella [2.4K]3 years ago

3 0

Answer:

The independent variable is the condition that you change in an experiment. It is the variable you control.

Explanation:

It is called independent because its value does not depend on and is not affected by the state of any other variable in the experiment. Sometimes you may hear this variable called the "controlled variable" because it is the one that is changed.

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What determines how large each population can grow

lana66690 [7]

Answer:

laws

Explanation:

in some areas and countries there is a limit on how many children someone can have, this would clearly regulate population growth.

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2 years ago

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The black, granular material that fills a dry cell in a common flashlight (between the carbon rod and the zinc shell) is mangane

mestny [16]

Answer: c. +4

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

$Mn:25:1s^22s^22p^63s^23p^64s^23d^{5}$

$Mn^{4+}:21:1s^22s^22p^63s^23p^63d^1$

$O:8:1s^22s^22p^4$

$O^{2-}:10:1s^22s^22p^6$

Here manganese is having an oxidation state of +4 called as cation and oxygen forms an anion with oxidation state of -2. Thus they combine and their oxidation states are exchanged to give $Mn_2O_4$ which written in simplest whole number ratios to give neutral $MnO_2$

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3 years ago

Which of the following is a true statement?

BlackZzzverrR [31]

Answer:

its either all animals or only mammals. the thing with all animals is that they do have life cycles but not the same as like say humans or elephants, some are complicated.

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2 years ago

As the movement of molecules within a substance increases, describe the change in heat of the substance. Justify your response i

Vladimir [108]

It will get hotter, because the molecules create heat when they move around just like us when we run.

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3 years ago

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Water air multiple cells a place to live

Dmitriy789 [7]

It’s most likely missing water
plants need to be watered in order to survive

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2 years ago

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