Hay estudios microbiológicos que indican, que el alcohol (Etanol), es de vital importancia para controlar la reproducción del coronavirus, indique mediante qué métodos separaría una solución de:

A. Etanol – Ácido cítrico.
B. Etanol – Bicarbonato de sodio
C. Ácido cítrico – Bicarbonato de sodio.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

What is an example of a physical property?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.