Surface tension is the tendency of liquid surfaces at rest to shrink into the minimum surface area possible. Surface tension is what allows objects with a higher density than water such as razor blades and insects to float on a water surface without becoming even partly submerged
The terms are used to identify the ages of the siblings. Hence, the sibling who is younger than the other is considered as the younger sibling, or younger sister or younger brother. Whereas, the sibling who is older than the other is considered to be the elder sibling, or elder sister or elder brother.
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Answer:
Surface tension is the tendency of liquid surfaces at rest to shrink into the minimum surface area possible. Surface tension is what allows objects with a higher density than water such as razor blades and insects to float on a water surface without becoming even partly submerged
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Explanation:
The terms are used to identify the ages of the siblings. Hence, the sibling who is younger than the other is considered as the younger sibling, or younger sister or younger brother. Whereas, the sibling who is older than the other is considered to be the elder sibling, or elder sister or elder brother.