If we were to design an experiment to test the hypothesis that aspirin takes headaches away, the independent variable would be and the dependent variable would be
a. headaches; aspirin
b. aspirin; tylenol
c. aspirin; headaches
d. measured; manipulated

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.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

it should be d or b but i'm sure it's d