Since all root systems need nitrogen, all trees need nitrogen. Think about what would happen to you without oxygen. Would
you want that to happen to trees?
Describe the step-by-step process that you must follow in order to identify the implicit premise and evaluate the validity of
the argument is the argument valid? Is it sound?

the big premise in the argument is the link between trees and oxygen. It's the assumption that, without trees, humans would have insufficient oxygen to survive. Trees DO produce a lot of oxygen, but the majority of it comes from photosynthetic organisms in the ocean. Killing off all of the trees would certainly be disastrous, and ecosystems would collapse, starving us to death in short order

Explanation:

recent news about two years ago indicates that a polish forestry student by chance unearthed at a depth of about 40cm (16 inches), during digging in a damp polish forest he found a 13-page manuscript into a thermos flask.

greek jew marcel nadjari was a aischwitz slave who witnessed how the nazi's built big death chambers and crematoriums and told how he was forced to escort fellow jews to the gas chambers. he accounts on this manuscript how the nazi's disguised this chambers to look like showers. also, he describes this place as a process of extermination from the chambers to the trains arriving to take the bodies.

the anecdote makes readers feel sorry for the man’s lack of heritage, then reminds readers that the man has an equally valuable heritage.