Answer: A. Help her distinguish between main topics and subtopics.
Explanation: APEX
As data travels further over a wavelength or frequency, the radiation type goes down.
<h3>What is an electromagnetic spectrum?</h3>
An electromagnetic spectrum can be defined as a range of frequencies and wavelengths into which an electromagnetic wave is distributed into.
In Science, the electromagnetic spectrum consist of the following types of energy from highest to lowest frequency and shortest to longest wavelength:
In this context, we can infer and logically deduce that as data travels further over a wavelength or frequency within the electromagnetic spectrum, the radiation type goes down.
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The private modifier specifies that only other members of the same class can access the member. The protected modifier restricts access to the member to within its own package.
<h3>What are public and private modifiers?</h3>
The public access modifier permits code from both inside and outside the class to access the class's methods and properties, whereas the private modifier prevents outside code from accessing the class's methods and properties.
Thus, private modifier is the member.
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