I believe the answer is: <span>education levels among women increase.
Studies show that as educations levels among women increase, the awareness of the hardship that they might encountered when they're having too many children (or too early) started to increase. This could lead to small number of newborns and lead to zero population growth.</span>
wthecc this looks amazing
An independent variable is a variable that is controlled in the experiment to test whether there will be an effect on the dependent variable. So in the experiment, the independent variable is the color of the feeder because Jamal wants to know if there is an effect if he uses red feeders on the hummingbirds. This is the one being controlled by Jamal because he can use a variety of colors of the feeders.
Answer:
Stratified random sampling
Explanation:
Stratified random sampling is a design that involves dividing a group into smaller division or strata to get a defined result, this division is based on character or shared attitude. This design is also known as proportional random sampling.
