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which of the following would be considered a quantitative observation? a. the odor of different plants is compared to see which smells the worst. b. butterfly wings are assessed to see which is the most orange in appearance. c. the attractiveness of the tail feathers of male peacocks is compared. d. the height of radish seedlings is measured.

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The correct answer to the question above is letter d. The height of radish seedlings is measured. The statement is letter d involves measurement with the keyword height which uses any measuring instruments. It also do not use any senses. Quantitative observations are measurable.

Answer: d. the height of radish seedlings is measured.

Explanation:

Quantitative observation is the one which can be either measured or counted in numbers. This kind of observation is invariable and accurate.

Among the given options, d. the height of radish seedlings is measured. is the correct option. This is because of the fact that height can be measured in units.

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