Which change describes a demographic transition?
question 14 options:

a population moves from a high birthrate and death rate to a high birthrate and low death rate

a population moves from a high birthrate and low death rate to a low birthrate and death rate

a population moves from a low birthrate and death rate to a low birthrate and high death rate

a population moves from a high birthrate and death rate to a low birthrate and low death rate

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

explanation:

idk

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.