The correct answer should be B. Going to the movies
In all other activities the participation is reciprocal, meaning they both actively participate in the activity with one another.
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.
Answer:
A centrally planned economy, also known as a command economy, is an economic system in which a central authority, such as a government, makes economic decisions regarding the manufacturing and the distribution of products
D. horizontal
A seismograph records up-down (vertical), north-south, and east-west. It does not record horizontal motions.
Answer:
Gross National Product (GNP)
