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VashaNatasha [74]
3 years ago
5

Look at the graph below. Which elements together make up seven percent of the Earth’s crust? calcium and iron calcium and sodium

potassium and magnesium potassium and sodium
Physics
1 answer:
yaroslaw [1]3 years ago
4 0
The graph is missing, however we can answer anyway.

In fact, this is the approximate percentage of the elements listed in the questions in the Earth's crust (data taken from wikipedia):
Iron 5.0 %
Calcium 3.6 %
Sodium 2.8 %
Potassium 2.6 %
Magnesium 1.5 %

of all of these, we see that the combination of two elements that makes up the closest number to 7% is calcium and sodium (3.6% + 2.8%=6.4%), therefore the correct answer is
Calcium and sodium.
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143.352 watt.

Explanation:

So, in the question above we are given the following parameters or data or information that is going to assist us in answering the question above efficiently. The parameters are:

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Step two: Calculate the rate of heat transfer by using the formula below;

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With this in mind, we can note that if a person is overtly influenced by the media, then such a person lacks independent thinking and becomes emotional by what he watches on the television or reads from an online source.

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