Earth's interior at a depth of 3500 kilometers is believed to be A.
liquid at a temperature of approximately 4900°C
B.
solid at a temperature of approximately 4900°C
C.
liquid at a temperature of approximately 5400°C
D
solid at a temperature of approximately 5400°C
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How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.