Explanation:
I don't really under stand the question but a primary source is like someone telling you something they saw or did themselves and Secondary is something someone else told them and now they are telling you
Rule of 70 can be used to determine a population’s doubling time which is a measure of growth rate.
<h3>What is Growth rates?</h3>
Growth rates is the percentage change of a specific variable such as population in particular period.
Therefore, With regards to the Rule of 70, the growth rate is a big variable in measuring the increase in population at that particular region.
Learn more about Growth rates at;
brainly.com/question/20115298
Dr. Holiday's beliefs is based on: <span>Piaget's theory of cognitive development
</span><span>Piaget's theory of cognitive development separates the development of human intelligence into 4 different stages.
</span>The description above depicted the concrete operational stages where children already developed the ability to attach concepts to concrete situations
Orgo pull all the needles off his Christmas tree and hang a single bullet on it because he <span>wanted a cartridge in a bare tree. Orgo is waiting for santa. Thank you for posting your question here. I hope the answer will help. </span>
Answer:
Because according to different family the needs of different family differ from each other
