13 Identify Fill in the blanks to label the two particle models as either atoms or molecules. A Copper. 14 Explain Copper is an element. How do these Images of copper Illustrate this? 460 Unit 6 Matter​

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sorry, but you do not have posted the diagram.

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.