According to ___________, crossbred animals are generally healthier and grow faster than purebred ones
a. Homogenesis c. Hybrid vigor
b. Superior selection d. Heterogenesis
C
You might also like to view...
If a compressed-air tool functions poorly because of low air pressure, the cause is most likely _____.
a. working at too great a distance from the compressor b. an undersized air receiver c. an improperly secured hose or coupling d. a sticky air throttle valve
Of the nutrients needed by most plants, ____ come from soil
a. three b. twenty c. most d. all
What is the strongest of all the fabrics made from natural fibers?
a. Cotton c. Wool b. Silk d. Linen
When the burner shuts off, the pump output pressure drops below 80 psig. This indicates:
A) That the oil nozzle needs changing. B) That the oil filter is clogged. C) Correct operation. D) That the oil pump has a leaky shutoff.