There are four stages to the classical demographic transition model. During the early transition stage the death rate begins to fall. As birth rates remain high, the population starts to grow rapidly. Which number represents this stage?

A) 1
B) 2
C) 3
D) 4

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

this would be about 43%