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-Based on the Information in the Graph,approximately How Old Are

question 18

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  -Based on the information in the graph,approximately how old are two rocks,one containing 25% uranium-238 and 75% lead,and one containing 50% uranium-238 and 50% lead? A)  around 2.25 billion years and 4.5 billion years, respectively B)  around 9 billion years and 4.5 billion years, respectively C)  around 1.3 billion years and 2.4 billion years, respectively D)  around 4.5 billion years and 9 billion years, respectively E)  The question cannot be answered with the information provided.
-Based on the information in the graph,approximately how old are two rocks,one containing 25% uranium-238 and 75% lead,and one containing 50% uranium-238 and 50% lead?


Definitions:

Circuitry

The detailed arrangement or network of interconnected electronic or neural elements working together to perform specific functions.

Glutamate

A major excitatory neurotransmitter in the brain involved in learning and memory.

Dendritic Branching

Dendritic branching refers to the process by which neurons grow dendrites to increase synaptic connections, facilitating the integration of input from other neurons.

Wernicke's Area

A region of the brain concerned with the comprehension of language, located in the cortex of the dominant temporal lobe.

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