An experiment
An experiment can be used to reveal cause and effect. This is because it allows the researcher to manipulate variables so as to reveal the outcome of the experiment when the variable is manipulated. This facilitates the testing of hypothesis
South America is located completely on the Western Hemisphere. It is also located mostly in the Southern Hemisphere, but the Northern part of the Continent is in the Northern Hemisphere.
Here is the correct answer of the given statement above. Since Carl and Tulip are getting a divorce and that they want to know how to best communicate the news to their young children, what they should do is to explain the separation in a level that the children can understand and assure them that they are not the reason for the separation. Hope this answer helps.
B. Their needs change constantly