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aliina [53]
4 years ago
7

A student performs an experiment to determine if adding fertilizer to plants increases the number of flowers that the plants pro

duce. The student believes that the plants will produce greater numbers of flowers as the amount of fertilizer increases. Five groups of 10 plants each (A-E) are grown in identical pots filled with equal amounts of identical soil. The amount of water and sunlight are constant for all groups, as is the room temperature. Each plant group is given plant fertilizer according to the table below.
Biology
1 answer:
kipiarov [429]4 years ago
4 0

Answer:

The experimenter hypothesized that fertilizer would make the plants grow taller. The results show that, on average, plants with fertilizer grew 0.7 cm taller over the course of 12 days. This small amount of height increase could be attributed to the fertilizer or may be caused by natural differences in the plants.

Explanation:

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5 0
3 years ago
Adults with more than a 12-month history of migraines were assigned randomly in a double-blinded study to receive treatment with
lyudmila [28]

Answer:

Phase III

Explanation:

The given condition fall in the trial phase (Phase III) of cinical study which aims to:

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The trial consists of four phases: screening; double-blind therapy period for 24 weeks in which placebo or Erenumab is given to subject as dose 1, dose 2 or dose 3 (based on the participant's body weight) once a month via subcutaneous injection; optional dose level blinded extension phase (40 weeks) which involves subjects recieve dose1, 2 and 3 of placebo, and at last it follows a safety follow-up phase for 12 weeks (after 16 weeks  of the last dose of investigational drug).

Hence, the clinical phase is phase III.

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3 years ago
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Alika [10]

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Explanation:

7 0
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Hope this helps.
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Mademuasel [1]

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