<span>A: The proportions of a population that are at different age levels make up the population’s age structure. </span>
Answer:
can you expand on that it not clear what you want
The best answer to go with is b you’re welcome
Answer:
A transform plate boundary occurs when two plates slide past each other, horizontally. A well-known transform plate boundary is the San Andreas Fault, which is responsible for many of California's earthquakes.
Explanation:
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