Record snowfalls were recorded in the rocky mountains in 1997 following warmer- than- average water temperatures in the easthern pacific ocean. what likely caused the extra snow? a. an occluded front b. la nina c. el nino d. the jet stream

C. El Nino

El Nino is an event that influences the climatic condition. It occurred in the water of the tropical eastern Pacific Ocean which got unusually warm. The warm water impact trade winds and storm pattern across some of the regions around the globe. These trade winds and storms accompanied with the precipitation with extra snow in the rocky mountains in 1997.

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it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.