The best way to save energy is ________
A) To install and use wind energy sources. B) To install active solar arrays.
C) To install passive solar arrays. D) Not to need it in the first place.
D
You might also like to view...
At what temperature should soil for seed germination be sterilized by heating for one-half hour?
A) 180°F B) 100°F C) 300°F D) 212°F
What can result from a water-in-fuel condition when the secondary filter is capable of entrapping particulate as small as one micron?
A. filter burst B. plugged filter and shutdown C. filtering media failure D. water absorption into fuel
Los dos tipos de plataformas elevadoras son:
a. articulada y con pluma.
b. vertical y lateral.
c. centrífuga y con diafragma.
d. de pluma y de tijeras.
Chemicals sprayed on plants poison the insect through the _____
A) breathing pores B) nervous system C) stomach D) legs