What types of emergency situations could rescue workers be in that would make it difficult for them to get energy to their electrical devices?

all of them? if not search it up

i believe the answer is: true

our brain need to reach a certain level of development   before it could interpret and understood sound with high difficulties. to proof this, we just need to pay attention in musical preference between children and adults. it is far less likely that children would enjoy things such as orchestra or rock band as much as adults due to the difference in this ability.

answerthomas malthus wrote an essay on the principle of population;

hope this ,(malthus)