What had Marie Curie discovered?

chemical elements Radium and Polonium
X-rays
aspirin, which she called Polopirin
all of the above
Her achievements included a theory of radioactivity (a term that she coined), techniques for isolating radioactive isotopes, and the discovery of two elements, polonium and radium.
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chemical elements Radium and Polonium
X-rays
aspirin, which she called Polopirin
all of the above
answers
flagPoland
90%
2%
0%
5%
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flagthe Netherlands
80%
5%
0%
11%
36
flagRepublic of Ireland
78%
3%
0%
15%
33
flagFrance
78%
8%
8%
4%
23
flagGreece
78%
21%
0%
0%
23
flagAustria
75%
15%
3%
2%
132
flagGermany
68%
18%
6%
3%
971
flagthe United Kingdom
68%
11%
5%
12%
447
flagSingapore
67%
6%
0%
25%
43
flagIndia
65%
11%
6%
12%
1229
flagSwitzerland
65%
22%
6%
3%
79
flagGhana
63%
11%
8%
2%
36
flagAustralia
62%
7%
5%
21%
139
flagthe Philippines
62%
7%
6%
17%
104
flagCanada
58%
10%
7%
21%
94
flagNigeria
54%
18%
14%
8%
148
flagPakistan
53%
20%
12%
12%
133
flagMalaysia
51%
12%
16%
18%
54
flagthe United States
48%
11%
6%
30%
1021
flagthe United Arab Emirates
48%
13%
10%
20%
29