Answer:
K deficiency cause stomata closing
Forearm. Radial artery runs along the forearm and winds at the wrist. Due to the position of the artery (close to the surface of the arm and distally located to the radius bone), it is used to check for cardiac rhythm and heart rate. You have often observed medics place two finger on your wrist to feel for pulse.
Blood can also be drawn from the artery to perform tests such as arterial blood gas.
Fire is an example of energy changing one form to another. It is used as thermal energy (for heating and warmth) and for burning energy.
The other options don't really have any energy.
