It is necessary so when conducting your answer or summary you have enough reason and evidence to support it
Answer:
Children tend to have this behavior when they are learning about the things around them. This is common with children that are younger than seven months. At this age, they may not be able to explore objects with their hands yet, but are rather only able to grab onto items. Since a baby's mouth has more nerve endings than any other part of their bodies, they tend to see what things feel like with their mouths. Babies usually learn through textures.
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Better technology that does not exist today. Maybe floating things or something?
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