Researchers wanted to see if adults were actually afraid of the dark by exposing them to different levels of light in a room while measuring their heart rates. in this experiment, what are the different levels of light?
a) the dependent variable
b) the independent variable
c) the control group
d) the experimental group

a) Dependent variable.

Explanation:

In a experiment you need to set two variables: Dependent and independent.

Dependent variable is the one you are going to manipulate to study its effects in the independent variable.

You don't manipulate independent variable in an experiment, because it doesn't get you anywhere.

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explanation:

the correct answer is "c": the pillars proclaimed his regret at the bloodshed at the battle of kalinga and his conversion to buddhism.

the kalinga war is considered as one of the largest battles in the history of india. it was fought between the between the maurya empire, which ruled the lands of what is now known as india at the time, and the independent feudal kingdom of kalinga.

the army of maurya empire, led by its king ashoka, fought a prolonged war against kalinga. the war ended around 262 bce with the victory of the maurya empire. it is believed that ashoka, after having witnessed the loss of many lives during this war, felt deep responsibility and eventually converted into buddhism.