Question

3. Peirre and Marie ............. radiation in 1900.

a) found

b) discovered

c) invented

d) looker for

Answer 1

b) discovered

Step-by-step explanation:

The correct option for this sentence is:

Pierre and Marie discovered radiation in 1900.

Other options

They didn't invent radiation

They didn't look for radiation

Hence, the answer is b)

Answer 2

answer: a

Step-by-step explanation:

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