Researchers Using a Dendrograph Found That the Trunk Diameter of a Beech

question 4

Multiple Choice

Researchers using a dendrograph found that the trunk diameter of a beech tree increased and decreased slightly on a daily basis and that this variation correlated negatively with transpiration rate.Under which of the following sets of conditions should the daily changes in trunk diameter be the smallest?

• A)cool spring day,no wind,high soil moisture
• B)cool spring day,no wind,soil partially frozen
• C)hot summer day,windy,low soil moisture
• D)hot summer day,no wind,low soil moisture
• E)hot summer day,windy,high soil moisture

---

Definitions:

Electrical Circuit

A network consisting of a closed loop, giving a return path for electric current to flow, which includes at least one power source and one electrical component.

Resistance

The opposition to the flow of electric current through a conductor, quantified in ohms (Ω).

Grounding Conductor

An electrical wire that provides a path for electrical current to travel safely to the ground in case of a fault.

Shock Hazard

A dangerous condition where an individual could come into contact with an electrical energy source, potentially causing electric shock.