Answer: C. aspirin; headaches
Explanation:
The variables in an experiment are either dependent or independent. An independent variable is the change that is introduced to test the hypothesis. A dependent variable on the other hand is the one being monitored or measured due to the introduction of other variables.
Here Headaches are the dependent variables as the experiment is to monitor whether the introduction of aspirin, the independent variable, takes headaches away.
Well if were dealing with magnets then they will attract
hope this helps
Answer:
who are the reference persons*
AIDS. Much of the current humanitarian assistance given to African nations is aimed at combating diseases, among the most important of which is AIDS.
Answer:
economic equilibrium is a situation in which economic forces such as supply and demand are balanced and in the absence of external influences the values of economic variables will not change.
Explanation: