Answer:
caffeine — independent variable
Explanation:
Independent variable: In psychological research, the term independent variable is defined as the variable that is changing, altered, and manipulated by the experimenter or the researcher. The independent variable is responsible for affecting the dependent variable in an experiment i.e, any changes in the independent variable will cause a direct effect on the dependent variable.
In the question above, the pair that correctly identify a variable in this experiment is the caffeine — independent variable.
It was big for all of them
a. The individual
c. His or her culture and history
d. His or her environment
In situations of death and grief there is no single way to deal with it, it will depend on several individual aspects, as well as environmental and cultural ones. But in general, death is always faced in a difficult way by human beings, as it is interpreted as the end of a cycle of a life of someone you loved.
America's child abuse and neglect death rate is primarily caused because people do not know what child abuse and or neglect actually is. Most people don't know that if a parent ignores your emotions or responds to them incorrectly than it is mental neglect of a child. MANY children and teen suffer from mental neglect and or abuse. Some teens attempt or commit sucide because of neglect or abuse. America is also a larger country so the number will be higher.