Nolan tests how distance from a magnet affects the strength of the magnetic field. He tapes a magnet and a wooden ruler to the table so the ruler's end touches the magnet. Next, he places paper clips at different distances from the magnet and records his observations. What does he observe?

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.

List two modern organisms that have pentameral symmetry

How does a lytic infection differ from a lysogenic infection?