A Stalk of Celery Is Placed in a Solution of Blue

question 35

Multiple Choice

A stalk of celery is placed in a solution of blue colored dye.After one hour, the leaves have blue fluid in their veins.Which property of water is being demonstrated?

• A) adhesion and cohesion
• B) evaporation and cooling
• C) lower density as a solid than as a liquid
• D) high specific heat
• E) surface tension

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Definitions:

Critical Value

A threshold value used in hypothesis testing to determine whether to reject the null hypothesis.

Null Hypothesis

In hypothesis testing, it's the presumption that no significant difference exists as a result of the experiment or intervention.

Significance

The likelihood that a result from data collected and analyzed is not due to chance. It’s often determined through the use of a p-value.

Null Hypothesis

A hypothesis that there is no significant difference or effect in a particular situation, used as a starting point for statistical testing.