___ are one of the cell types composing the nervous system

Scientific literacy does not include _______

a. gathering knowledge b. accepting common-sense explanations c. critical thinking d. applying scientific information to everyday problems

A medical doctor believes that the presence of

aromatherapy will reduce the anxiety of first-time mothers-to-be during labor and will increase their reported satisfaction with their care at his hospital. He randomly assigns mothers to give birth in a room either with or without aromatherapy. What is the independent variable in this example? A) Anxiety level during labor B) Number of previous birthing experiences C) Presence or absence of aromatherapy D) Satisfaction with hospital care