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Explain why carbon-14 would not be a good radioactive isotope to date a piece of granite that is 250 million years old.
Rattle
A noise-making toy intended for babies, designed to engage their auditory senses and develop grasping reflexes.
Associative Play
A stage in child development where children play alongside each other but do not directly interact or cooperate.
Onlooker Play
A behavior in early childhood development where a child watches others play but does not join in.
Solitary Play
A stage in child development where a child plays alone, focusing on their activities without seeking to engage with others around them.
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