It can be appropriate to mention or state that the composition of heartwood and sapwood consists of secondary xylem. Therefore, the option A holds true.
<h3>What is the significance of secondary xylem?</h3>
A secondary xylem can be referred to or considered as a bulk of the tissue structure of the stem and roots in different species and types of plants. A secondary xylem helps in the transfer of water throughout the plants, especially woods plants, such as heartwood and sapwood.
Therefore, the option A holds true and states regarding the significance of secondary xylem.
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<span>The psychological phenomenon that has occurred here is called group think. Group think is a phenomenon that exists when group harmony or group peace in their efforts to work together outweighs the most accurate results. Here, the results were put second to the ability of all group members to work well together. Thus, the experiment was compromised.</span>
D. Thinking, feeling and acting.
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I believe the answer is: Known-groups paradigm
A study is considered to have Known-groups paradigm if the researchers understand that the measure that they take will discriminate a certain groujp of subjects because of their known behavior.
From the case above Dr. Sheffield create a test to determine whether the subject unable to resist impulses to gamble.
The subjects that he use is <u>a group of ex-gamblers</u> who acknowledge they have a gambling problem (gamblers anonymous) and a group of ex-alcoholic who acknowledge they have drinking problem (AA). We can say with high certainty that dr. Sheffield <u>knew really well that people on GA will have higher scores.</u> He just want to how big is the difference compared to the scores from AA group.
Answer:
A. Provides emergency services to victims of armed conflicts.
