The most energy efficient method for converting biomass into ...

[abarnes]

The most energy efficient method for converting biomass into useful energy is to
 
  A) ferment sugars and starches from plants to form ethanol, which can be burned.
  B) distill wood in the absence of air to form methanol, which can be burned.
  C) use bacteria to break down plant material to produce methane.
  D) burn the plant material directly.

Question 2

Stagg Field, at the University of Chicago, is where
 
  A) nuclear fission was discovered.
  B) radioactivity was discovered.
  C) nuclear fusion was discovered.
  D) the first nuclear pile was built.

[patma1981]

Answer to Question 1

D

Answer to Question 2

D

[abarnes]

TYSM

[emsimon14]

Gracias!