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Which group of animals has existed the longest? A. Tubulidentates B. Sirenians C. Artiodactyls D. Perissodactyls
Artiodactyls is a group of animals that existed the longest.
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Expert answered|destle6|Points 14361|
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Asked 10/18/2018 6:56:06 AM
Updated 10/18/2018 11:35:37 AM
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Confirmed by MrG [10/18/2018 11:35:37 AM]
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The following accurately describes semiconductor diodes: unction diodes are preferred over point-contact diodes for most purposes.

Added 5/2/2020 6:04:29 PM
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