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Alina [70]
3 years ago
5

Identify the independent, dependent, and controlled variables in your experiment of How temperature change affect surface tensio

n?
Biology
2 answers:
Olin [163]3 years ago
8 0

The independent is the amount of surface tension. The dependent is the temp and the controlled is the amount of liquid used... HOPE THIS HELPED ♥

Ivahew [28]3 years ago
4 0

In mathematical modelling and statistical modelling, there are dependent and independent variables. The models investigate how the former depend on the latter. The dependent variables represent the output or outcome whose variation is being studied. The independent variables represent inputs or causes, i.e. potential reasons for variation. I hope that helped, Im new to this app so im sorry if it didnt help

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While testing for biological macromolecules in an unknown, you find that it reacts strongly with iodine and the solution immedia
True [87]

The macromolecule must be starch.

Explanation:

Starch is a polymer of Glucose joined by glycosydic bond.

Starch is the main energy storage substance in green plants.

Starches react with iodine and give a bluish black or black color and thus iodine test is considered as a confirmatory test for starches.

In this experiment ,the solution turns very dark black on addition of iodine so we can be sure that the solution contained starch.

6 0
3 years ago
Which phrase best describes a meteoroid
Licemer1 [7]
Hello!

The phrase that best describes a meteoroid is "Small pieces of rock and dust in space"

Meteoroids are small bodies of the solar system. They are rocks between 100 μm -50 m in diameter that are smaller than comets and asteroids and bigger than cosmic dust. They commonly are fragments of comets and asteroids that had been separated from them by heavy impacts. When a meteoroid enters the atmosphere, it burns, and the glow that this burn produces is what we call "shooting stars". However, the correct definition is the mentioned above.

Have a nice day!
6 0
3 years ago
Use a specific example to explain how the interactions of two or more body systems work together to perform a function.
alexdok [17]
The sperm and the egg
6 0
3 years ago
What is the synonym of transpiration
ehidna [41]
Pass, share, botany would be a synonym
6 0
3 years ago
Read 2 more answers
What is derived trait chart used for?
Minchanka [31]

Answer:

Derived traits shared among the species or other groups in a dataset are key to helping us build trees. As shown above, shared derived traits tend to form nested patterns that provide information about when branching events occurred in the evolution of the species.

Explanation:

I hope this helps

8 0
3 years ago
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