Which is the most important factor in regulation of transpiration

The factor, most important in regulating transpiration, is

Which of the following factors is most important in regulation of transpiration? (a) Relative humidity (b) Temperature (c) Light (d) Wind

Which of the following factors is most important in regulation of transpiration? (a) Relative humidity (b) Temperature (c) Light (d) Wind

The factor most important in regulating tranpiration is:

Which of the following factors is most important in regulation of transpiration

Which of the following factors is most important in regulation of transpiration?

Which factor is most important in regulating transpiration ?

The most important factor affecting transpiration is