Would an Observational Study or an Experiment Be More Appropriate

question 58

Essay

Would an observational study or an experiment be more appropriate to investigate the effects on fertilizer on plant growth? Explain.

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Definitions:

Free Radical Bromination

A chemical reaction process whereby bromine radicals (Br.) selectively react with C-H bonds in hydrocarbons to form brominated products.

Methane

The simplest alkane, a colorless, odorless gas (CH4), that is the main component of natural gas and a potent greenhouse gas.

Transition State

A high-energy state during a chemical reaction that represents the point of highest energy through which reactants must pass before forming products.

Resonance Stabilized Radical

A radical species whose stability is enhanced by the distribution of its unpaired electron over multiple atoms via resonance.