Which Type of Feather Disintegrates as It Grows,releasing a Talc-Like

question 38

Multiple Choice

Which type of feather disintegrates as it grows,releasing a talc-like substance to waterproof the feathers?

• A)Altricial feathers
• B)Powder-down feathers
• C)Filoplume feathers
• D)Down feathers
• E)Flight feathers

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Definitions:

Voltage Drop

The decrease in voltage along a conductor or component while it conducts electric current.

Applied Voltage

The electrical potential difference purposely introduced across a device or component, driving the current through it.

Resistance

An electrical quantity that measures how the device or material reduces the electric current flow through it, measured in Ohms (Ω).

Voltage Across

The electrical potential difference between two points in a circuit, driving the flow of current between those points.