Cohesion and transpiration pull theory was originally proposed by:
A. Unger and Sachs
B. Xavier and Dixon
C. Boehm and Jolly
D. Dixon and Jolly
Answer:D
Cohesion and transpiration pull theory was originally proposed by:
A. Unger and Sachs B. Xavier and Dixon C. Boehm and Jolly D. Dixon and Jolly