Increase in children with unmarried parents
Answer:
25 percent means one fourth. To calculate 25 percent of a number, simply divide it by 4. For example, 25 percent of 12 is 12 divided by 4, or 3. 10 percent means one tenth.
Answer:
Gestation is the period of time between conception and birth when a baby grows and develops inside the mother's womb. :)
Explanation:
Answer:
Questionnaires
Explanation:
They allow both government and outside researchers to obtain estimates of a variety of health related topic or issue among either the entire nation or specific demographic group of the population.
And the survey design is cross section.
Answer:
What is a sewerslide? is it like a sewer pipe?
Explanation: