You have formulated a hypothesis: "Blueberries contain more vitamin C than raspberries." To test your hypothesis you measure vitamin C levels in 20 blueberries and 20 raspberries from bushes that were grown in the same area under the same environmental conditions (temperature, rain, sunlight). What is the dependent variable in this experiment?

(A) The type of soil, temperature, amount of rain and sunlight in the area
(B) Vitamin C levels
(C) Blueberries
(D) Raspberries

When we are talking about research, a dependant variable is the one that is being tested in the research. The scientific approach, in this case, is the amount of vitamin C in raspberries and blueberries. What researchers try to measure is the dependant variable that is vitamin C in each of those fruits.

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VoNguyenMsc VoNguyenMsc · Answer 2 · 2020-03-06T04:48:58+01:00

Answer:

The answer should be (B) Vitamin C levels

Explanation:

First of all, let's analyse the hypothesis. It is the comparison of vitamin C levels in two kinds of berries. Therefor, the vitamin C levels are depended on what type of berries, not the berries depend on vitamin C levels. In this case, we eliminate C, and D which are independent variables.

Secondly, the environmental conditions affects to the growth of berries, which leads to the different vitamin C levels. And vitamin C level is not affectable to the environment conditions. Thus, A should be eliminated.

From those reason, we can conclude that B is the most suitable answer.