Answer:
B. Guides
Explanation:
The park ranger is a singular subject, so instead of saying "park ranger" replace it with he or she, then add the words to see if they sound correct.
He/she guide the tourists doesn't sound quite right. It would sound better if the subject was plural. <em>Ex: </em><em><u>The rangers guide the tourists</u></em><em>...</em>So this eliminates answer A.
He/she guides the tourists sounds grammatically correct because it is.
Nah i'm just kidding. It sounds correct because the subject is singular. When you have a singular subject, the present tense verb must be plural. <em>Ex: He walks....It climbs....Lilah runs.</em> The rule applies to all of them.
P.S. Don't forget that the verb always applies to the subject in front of it, not behind it. So don't pit the words "guide/guides" with "the tourists" because you might get it wrong.
When Ira wears a rubber band that fit loosely around his wrist, and that he uses to "snap" himself with it just hard enough to sting a little bit, he is using <em>aversion therapy</em>. This type of therapy expose the patient to a stimulus while at the same time, being subjected to some form of discomfort. This is done so that the patient begins to associate the discomfort with his/her own behavior, in order to decrease or completely interrupt such act. In the case of Ira, what aversion therapy would look for, is that Ira would start associating the discomfort of snapping the rubber band against his skin with talking without thinking. And by doing so, he would stop to talk without thinking.
Answer:
the change in the dependent variable may be solely attributed to the change in the independent variable
Explanation:
Experimental projects are those developed from scientific methodologies that seek to analyze data and develop efficient and accurate conclusions. In this type of project, the dependent and independent variables are strongly linked and related to each other. However, the independent variable is the only one that has the power to modify and influence the dependent variable, through modifications in itself.
Answer: To bring the country back together.
Explanation: Lincoln felt his duty as the president was to preserve the union at all costs.