The crude death birth rate is the number of : a) deaths of children's under one year of age in a year
b) people who die annually from natural causes
c) deaths per thousand population in a given year
d) people who die crude and violent deaths over a period of one year

c) deaths per thousand population in a given year

Explanation:

The crude death rate (CDR) is a way of showing roughly how many people die a year. This number is used to represent and understand the development level of a country. Additionally, to be proportionate it is shown in deaths per thousand so that it relates to the size of the country.

answer; all of the answers are correct;