Answer:
I am pretty sure the answer is classified ads
Explanation:
With some country's, there is not a lot of good economy or food, lucking in basic needs, with other countries helping out, they are able to help each other out .
<span>A researcher who would like to examine whether children who are high math achievers have better memories than do low math achievers should use a correlation design. A correlation design enables the person to find the connection between two different parties, assign variables and research the possible truth and from here, they can derive results.</span>
Testing the DNA and RNA of the butterflies and putting them into the computerized system with the name of the specific butterfly along with the sample DNA and RNA of the butterflies can correctly identify each of the species of butterflies and solve that problem.
Answer:
I don't really know the answer for real
