How is nitrogen returned to the atmosphere during the nitrogen cycle? a) it is returned to the atmosphere in a process called nitrogen fixation. b) it is returned to the atmosphere through denitrification. c) it is returned to the atmosphere through cellular respiration. d) it is returned to the atmosphere through evapotranspiration. e) it is returned to the atmosphere in a process called photosynthesis.

Gretta needs a $300,000 mortgage and is offered two choices. the monthly payments for the fixed rate and predicted payments for the arm are shown. adjustable rate mortgage year monthly payment 1-15 $1,610.46 adjustable rate mortgage year monthly payment 1-5 $1,520.06 6-15 $1,728.54 what is the difference between the total costs of the mortgages rounded to the nearest hundred? $8,700 $1,700 $15,800 $5,000