Answer:
population pyramid is a way to visualize two variables: age and sex. They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population.
Explanation:
A. This is because these formations occur on the surface and can range from mountains to forests.
A map serves two purposes: It is a tool for storing reference material and a tool for communicat- ing geographic information. route between two places and to avoid getting lost along the way.
A biological community of interacting organisms and their envious
