n which kind of solution is the concentration of solutes the same inside and outside of the cell? isotonic hypertonic hypotonic concentrated

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.

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

How does photosynthesis show the conservation of mass and energy?