Single Tree Selection : is the most common cutting in which scattered individual trees of multiple age classes
Group selection : is under this system , a number of group or small openings created by the removal of several adjacent trees
I hope that's help and sorry for the late answer !
Answer:
peace
Explanation:
All the other options are bad. Peace would bring unity.
Natural Disasters-can infect waters,kill peoplw,etc.
Competition-people killing each other or animals to gain something over their opponent
Diseases-kills people,brings anxiousness
Predation-Kills animals. No animals,bad environment
The answers, respectively, are:
resting potential; action potential.
