All the known dwarf planets except Ceres orbit in the A. asteroid belt. B. Milky Way. C. Kuiper belt. D. Oort cloud.

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.

Select the word from the list that best fits the definition a system made of 25 satellites

About how much of the cell mass is watet