Given is the diagram of an apparatus used to study a particular phenomenon in plants:Name the apparatusWhat is it used for?What is the role played by the air - bubble in this
![Transport in plants transpiration potometer water movement gas exchange systems phloem tubes xylem tubes root hair cells absorption water mineral nutrients importance deficiency effects igcse/O level/gcse 9-1 biology revision notes examinations Transport in plants transpiration potometer water movement gas exchange systems phloem tubes xylem tubes root hair cells absorption water mineral nutrients importance deficiency effects igcse/O level/gcse 9-1 biology revision notes examinations](https://docbrown.info/ebiology/ebiopics/plant09.gif)
Transport in plants transpiration potometer water movement gas exchange systems phloem tubes xylem tubes root hair cells absorption water mineral nutrients importance deficiency effects igcse/O level/gcse 9-1 biology revision notes examinations
![A bubble potometer that can be used to investigate evaporation of water... | Download Scientific Diagram A bubble potometer that can be used to investigate evaporation of water... | Download Scientific Diagram](https://www.researchgate.net/profile/Colin-Smith-44/publication/258170055/figure/fig2/AS:669432904949764@1536616650266/A-bubble-potometer-that-can-be-used-to-investigate-evaporation-of-water-from-leaves.png)
A bubble potometer that can be used to investigate evaporation of water... | Download Scientific Diagram
![Experimental setup: (1) Potometer with the first water reservoir, (2)... | Download Scientific Diagram Experimental setup: (1) Potometer with the first water reservoir, (2)... | Download Scientific Diagram](https://www.researchgate.net/profile/Vinicio-Carraro/publication/333404768/figure/fig1/AS:763219991875587@1558977234914/Experimental-setup-1-Potometer-with-the-first-water-reservoir-2-porous-layer-3.jpg)