When a Population Pyramid Graph Is Actually Shaped Like a Pyramid

question 1

Multiple Choice

When a population pyramid graph is actually shaped like a pyramid (as it was in 1900) ,which of following best describes the birth rate and death rate of the population?

• A)Low birth rate and low death rate
• B)High birth rate and low death rate
• C)High birth rate and high death rate
• D)Low birth rate and high death rate

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Definitions:

Electrons

Subatomic particles with a negative charge, orbiting the nucleus of an atom and involved in chemical reactions and electricity.

Temperature

An indicator of how hot or cold an object or substance is, compared to a baseline value.

Molecular Motion

The random movement of molecules in matter due to their kinetic energy; this motion increases with temperature.

Atomic Number

It is the number of protons found in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.