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The isotope of hydrogen that has two neutrons is called
Bases for Division
The criteria or principles used to divide or classify information, objects, or individuals into distinct groups or categories.
Simple Present Tense
Simple present tense is a verb tense used to describe habits, universal truths, routines, and facts that are currently true or occur on a regular basis.
Intern
An intern is a person who works, sometimes without pay, at a trade or occupation in order to gain work experience.
Duties
Tasks or responsibilities that a person is obligated to perform.
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