1.C
2.A
3.C
4.D I have to add more letters because the answer was to short lol
Answer: Birth rate is the amount of births in a certain amount of time in a certain country. For example, if there are 1000 births every 5 minutes, that is a birth rate. An increasing birth rate would be one that is growing all the time, and it would increase population because as the birth rate is growing, more people are born, and there are more people in the population.
The system of mass reproduction in manufacturing developed during the Gilded age. Hope this helped you.
Well if you want to know how it would be not very effective there you go
