• A(n) usually takes the form of a concise mathematical or verbal expression; a(n) explanation for observations.
provides an explanation for the observations

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 type of specimens where you able to see under each of the microscopes in the microscope activity

Explain the significance of thesaurus geographicus