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liberstina [14]
3 years ago
9

why do signs at petrol stations warn people not to use cell phones while filling the petrol in their cars?​

Physics
1 answer:
love history [14]3 years ago
5 0
Cell phones may be radioactive.Maybe this is the reason???.
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bekas [8.4K]

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As a solid reaches its melting point intermolecular bonds have been disrupted, causing:
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Muitos remédios são tomados em doses menores que o mg. Um comprimido de certo remédio tem 0,025 mg de uma certa substância. Com
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Answer:

Explanation:

<u>The question is asked in portuguese</u>

<u>Hence, it will be answered in portuguese</u>

1kg = 1000g

e

1 g = 1000mg

então

1 kg = 1 x (1000 x 1000)

1 kg = 1x 1.000.000

1 kg = 1.000.000mg

assim

 1 comprimido -------------> 0,025 mg

 x  comprimido ------------> 1.000.000 mg   ( só cruzar)

0,025(x) = 1(1.000.000)

0,025x = 1.000.000

x = 1.000.000/0,025

x = 40.000.000

<h3>1kg são feitos 40.000.000( Quarenta milhões de comprimidos)</h3>
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Select the three correct parts that make up the cell theory.
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