In order for radiation to transfer heat, A electromagnetic waves must be transmitted

Chemistry

1 answer:

Arlecino [84]3 years ago

6 0

Answer : A

Explanation

B- conduction

c - convection

D heat transfer

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Answer:

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Explanation:

The formula for the calculation of the average atomic mass is:

$Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})$

Given that:

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For second isotope, Boron-11:

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Thus,

$Average\ atomic\ mass=\frac{19.8}{100}\times {10.013}+\frac{80.2}{100}\times {11.009}=1.982574+8.829218=10.811792$

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3 years ago

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A. the height of the cactus plants

Explanation:

The dependent variable in this experiment designed to test this hypothesis is the height of the cactus plants.

In a hypothesis statement, we can always deduce the dependent and independent variables.

Independent variables do not rely on other variables. They are usually the cause of the phenomenon observed in an experiment. In this experiment, it is the rainfall on the cactus plant.
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The height of the cactus plant depends on the amount of rainfall in an area.

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Controlled experiment brainly.com/question/1621519

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