Is it true that a chemical property is a property that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter

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 should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Blank is a rock with a find dark texture that makes up the oceanic crust