A scientist wanted to determine if mice that listened to music while they ate, consumed more food than mice
that ate in silence.
If you had to conduct an
experiment to answer this
question, what would be
the IV, the DV and two
constants?

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.