Which principle described by psychologist martin seligman fosters an overall positive attitude by using thinking and behavior techniques to resist negativity?

The correct answer is Learned Optimism.

Martin Seligman developed an area of psychology known as Positive Psychology. One aspect of positive psychology is learned optimism. It is where you teach yourself to think positively instead of negatively, you use certain techniques to alter your thought and behavior patterns so you see optimism in life instead of pessimism.

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.