Answer:
B. to help people understand how truly cramped and unsanitary these tenement houses were
According to the context, Becquerel's experiment showed that a substance could constantly emit radiation even if it was not exposed to light.
<h3>What was Becquerel's experiment?</h3>
It was an experiment on the fluorescence of double sulfate of uranium and potassium where Becquerel discovered that uranium spontaneously emitted radiation naturally.
He deduced from this that uranium salts emitted radiation capable of passing through black paper and other substances opaque to ordinary light and is considered the first step in discovering radioactivity.
Therefore, we can conclude that according to the context, Becquerel's experiment showed that a substance could constantly emit radiation even if it was not exposed to light.
Learn more about Becquerel's experiment here: brainly.com/question/2954153
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Answer:
B
Explanation:
Plan A has a monthly payment of about $23 less and a total interest charge of $120 more than plan B.
Answer:
17x-8=11x+4
Add 8 to both sides:
17x=11x+12
Subtract 11 x from both sides:
6x=12
Divide both sides by 6:
x=2
