Answer:
Experiment
Explanation:
An experiment is simply said to be a planned inquiry or an investigation. psychologist are concerned with how to describe, explain, predict, and change behavior and the use of experiment helps them achieve their goal.. Usually, psychologists does experiments to know the probability of having a cause-and-effect relationship between different variables e.g when a researcher studies on if starving yourself of sleep affects the way you perform on a swimming test. experiment is the only research method mentioned here that allows the manipulation of an independent variable to test causation
Answer:
3,100 ft
Explanation:
Mauna Loa - the world's largest active volcano, is about 3,100 feet below sea level.
Answer: direct object
Explanation:
A gerund is a noun that includes the verb root, adding -ing to the end of the word. A full gerund phrase includes a gerund and its modifiers. A gerund phrase works as a noun and it can be a subject, an object, or a predicate nominative in the sentence.
In this example, the gerund scrubbing is acting as the direct object of the verb tried.
