On hot bright days when transpiration from leaves is rapid, the stems of many plants actually shrink though slightly. It is because of

On hot bright days when transpiration from leaves is rapid, the stems

1.	On hot bright days when transpiration from leaves is rapid, the stems of many plants actually shrink though slightly. It is because of
Answer» On hot bright days when transpiration from leaves is rapid, the stems of many plants actually shrink though slightly. It is because of