Ned is a registered nurse who gains a certification to identify and interpret injuries for violent causes. Which type of certification has he gained?

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.

Resperation is a way to release carbon back into the atmosphere

During binary fission, what events must occur before the cell splits into two new cells?