Superweeds result from
A. cross-pollination of cultivated and non-cultivated plants in the field.
B. cross-pollination of cultivated and non-cultivated plants in the laboratory.
C. cross-pollination of two cultivated plants in the field.
D. cross-pollination of two cultivated plants in the lab.
E. cross-pollination of two non-cultivated plants in the field.
A. cross-pollination of cultivated and non-cultivated plants in the field.
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