How does the representative assist with passing laws?

As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

Linda, mike, and carol all call their group leader by her first name, juanita. a fifth group member, leslie, calls her ʺms. garcia.ʺ leslie has not accepted:

Which of the following is a result of the low of food production