Help

Sydney drew a flow chart to illustrate the nitrogen cycle. which labels best complete the flow chart? x: producers undergo photosynthesis. y: nitrogen compounds are released into the air. x: nitrogen compounds are released into the air. y: producers undergo photosynthesis. x: free nitrogen is in the atmosphere. y: producers absorb nitrogen compounds through their roots. x: producers absorb nitrogen compounds through their roots. y: free nitrogen is in the atmosphere.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.