A. control incoming diseases and pests
B. control the cost of production
C. maintain genetic purity of crops
D. encourage breeding of new varieties
Correct Answer:
Option A – control incoming diseases and pests
A. control incoming diseases and pests
B. control the cost of production
C. maintain genetic purity of crops
D. encourage breeding of new varieties
Correct Answer:
Option A – control incoming diseases and pests
Copyright warnings! Do not copy.