I think the best way is to try providing helpful things that will help the humans or have people try to plant the plants somewhere that reminds them of their old climate
I REALLY HOPE THAT HELPS I tried
The answer is true light is one of the forms of electromagnetic energy.
ATP or Adenosine triphosphate is well know for it's energy source but despite it has many roles in cell. ATP is primarily used as energy source as it has higher energy in it's phospho-di-ester bonds between P and P atoms. It is hydrolyzed to ADP & AMP to give energy.
If blood typing is not available in an emergency situation, O-Negative blood is universally accepted by all blood types because it is absent of any antibodies. Therefore, if O-Neg blood is on hand in emergency situations, it can be given to anyone.