The chart shows four stages of demographic transition. Stage 1
Preindustrial
stage
Stage 2
Transitional
stage
Stage 3
Industrial
stage
Stage 4
Postindustrial
stage
40
30
Rate per 1000
20
10
0
Total population
Death rate
Birthrate
Which characteristics are typical of a human population in the preindustrial
stage?

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost