Roots are …………… .
A. descending. negatively geotrophic, positively phototrophic
B. descending, positively geotrophic, negatively phototrophic
C. ascending, positively geotrophic, negatively phototrophic
D. ascending, negatively geotrophic, positively phototrophic
Answer:B
Roots are …………… .
A. descending. negatively geotrophic, positively phototrophic B. descending, positively geotrophic, negatively phototrophic C. ascending, positively geotrophic, negatively phototrophic D. ascending, negatively geotrophic, positively phototrophic