The reduction of 3-pentanone with hydrogen in the presence of a nickel catalyst will yield The reduction of 3-pentanone with hydrogen in the presence of a nickel catalyst will yield .a. 3-pentanol. b. pentane. c. 2-pentene. d. diethyl alcohol. e. pentanaldehyde.

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.