Experimental studies manipulate factors to determine their effects.
An experimental study involves manipulating one variable (called an independent variable) to determine its effect on another variable (a dependent variable). An example of a manipulated variable (independent variable) can be hours of sleep, and the dependent variable (resulting variable) can be speed of reflexes. Hours of sleep (independent variable) can be manipulated (increased or decreased) to see the result it has on speed of reflexes (outcome or dependent variable).
The "giant" that Barack Obama refers to in his Nobel Peace Prize acceptance speech who received the prize before him was Nelson Mandela. There were other "giants" mentioned but of the answers provided that is who he was referring to.
It is a herbivore because it only eats acacia leaves off of trees.
Answer:
1: a person sent or authorized to represent others, in particular an elected representative sent to a conference.
2: entrust (a task or responsibility) to another person, typically one who is less senior than oneself.
Explanation:
<span>A person's perception of having a particular gender, which may or may not correspond with their birth sex.</span>